The document is an interactive tutorial on calculating breakeven point and margin of safety when costs change. It begins by defining key terms like fixed costs, variable costs, profit, contribution margin, breakeven point and margin of safety. It then walks through examples of how an increase in the variable cost of fish from $1,500 to $4,500 impacts the breakeven point (increasing it from 4,000 to 5,000 bowls) and margin of safety (decreasing it from 6,000 to 5,000). A subsequent increase in fixed rental costs from $5,000 to $8,000 further increases the breakeven point to 6,000 bowls and decreases the margin of safety to
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Cost volume profit: What is the impact on BE and MOS in event of environmental changes?
2. Define costs ¨C Differentiate between fixed and variable costs.
Define and calculate profit and contribution margin.
Define and calculate Breakeven Point (BP) and Margin of Safety (MOS).
Calculate impact on BP and MOS when costs change.
Calculate volume of sales needed to achieve targeted profit.
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3. 3 of 13
Please help me! The price of fish has
increased by $1,000. How will this
impact my Breakeven Volume and
Margin of Safety?
4. Retry
TOTAL REVENUE (TR) =
Unit Selling Price (USP) X Volume(Z)
X
10,000
bowls
TOTAL COSTS (TC)
= Total Fixed
Costs (TFC)
+
Total Variable
Costs (TVC)
Rental $5,000
Dishwasher
fixed fee: $500
Fish $4,500
Meat $1,000
Utilities $4,000
The change is:
a. Decrease from
10,000 to 5,000
b. Decrease from
5,000 to 4,000
d. Increase from
4,000 to 5,000
a. Decrease from
10,000 to 5,000
b. Decrease from
5,000 to 4,000
d. Increase from
4,000 to 5,000
c. No change!c. No change!
Need a hint? 4 of 13
$
Vol (Z)
Total Profit
Total Cost
Breakeven Point
Actual Vol
Margin
of Safety
Price of fish was $1,500 but
now it¡¯s gone up to $4,500.
What¡¯s the impact on my
Breakeven Volume?
X
When costs increase,
Breakeven vol. will increase so
that the additional cost can be
covered. Try again!
Yay! That¡¯s right! When you take
the new total costs of $15,000
and divide that by $3, you will get
the new breakeven of 5,000,
which is an increase from the
original breakeven of 4,000.
Trust me! There¡¯s a change!
My original breakeven is
actually 4,000 bowls! Please
click on ¡°Need a hint?¡± to
refresh your memory!
5. Click to move segment along. 5 of 13
$
Vol (Z)
New Total Cost
Next Replay
Originally, the breakeven vol. was 4,000
Then Variable Cost (Fish) increased from $1,500 to $4,500. This caused the Unit Variable Cost to
Increase and the Total Cost line to pivot upwards creating a new breakeven vol. of 5,000.
Total Cost
Fixed Cost
Variable CostNew Variable Cost
Total Revenue
4,000 5,000
Breakeven Point
6. TOTAL REVENUE (TR) =
Unit Selling Price (USP) X Volume(Z)
X
10,000
bowls
TOTAL COSTS (TC)
= Total Fixed
Costs (TFC)
+
Total Variable
Costs (TVC)
Rental $5,000
Dishwasher
fixed fee: $500
Fish $4,500
Meat $1,000
Utilities $4,000
The change is:
a. Decrease from
10,000 to 5,000
b. Increase from
5,000 to 10,000
d. Increase from
5,000 to 6,000
a. Decrease from
10,000 to 5,000
b. Increase from
5,000 to 10,000
d. Increase from
5,000 to 6,000
c. Decrease from
6,000 to 5,000
c. Decrease from
6,000 to 5,000
Need a hint? 6 of 13
$
Vol (Z)
Total Profit
Total Cost
Breakeven Point
Actual Vol
Margin
of Safety
Price of fish was $1,500 but
now it¡¯s gone up to $4,500.
What¡¯s the impact on my
Margin of Safety?
X
Are you sure an increase in
costs will increase my Margin
of Safety? An increase in costs
is likely to reduce it instead.
Try again!
Are you sure an increase in costs
will increase my Margin of Safety?
An increase in costs is likely to
reduce it instead. Try again!
That¡¯s right! My original breakeven
was 4,000 but now it has gone up to
5,000. So my original margin of
safety was 10,000 ¨C 4,000 = 6,000.
Now my margin of safety is 10,000 ¨C
5,000 = 5,000
My original breakeven is
actually 4,000 bowls and my
original margin of safety is
6,000! Please click on ¡°Need a
hint?¡± to refresh your memory!
Retry
7. Click to move segment along. 7 of 13
$
Vol (Z)
New Total Cost
Next Replay
Originally, the Margin of Safety was 6,000.
Then Variable Cost (Fish) increased from $1,500 to $4,500. This caused the Unit Variable Cost to
Increase and the Total Cost line to pivot upwards creating a new Margin of Safety of 5,000.
Total Cost
Total Revenue
4,000 5,000
Breakeven Point
Actual Vol
Margin
of Safety 6,0005,000
8. 8 of 13
Please help me! When the price of
fish increased, my new Breakeven
was 5,000 and my new Margin of
Safety was 5,000. Now stall rental
has also increased by $3,000. How
will this further impact my Breakeven
Volume and Margin of Safety?
9. TOTAL REVENUE (TR) =
Unit Selling Price (USP) X Volume(Z)
X
10,000
bowls
TOTAL COSTS (TC)
= Total Fixed
Costs (TFC)
+
Total Variable
Costs (TVC)
Rental $8,000
Dishwasher
fixed fee: $500
Fish $4,500
Meat $1,000
Utilities $4,000
The change is:
a. Increase from
5,000 to 6,000
b. Decrease from
6,000 to 5,000
d. Increase from
6,000 to 10,000
a. Increase from
5,000 to 6,000
b. Decrease from
6,000 to 5,000
d. Increase from
6,000 to 10,000
c. No change!c. No change!
Need a hint? 9 of 13
$
Vol (Z)
Total Profit
Total Cost
Breakeven Point
Actual Vol
Margin
of Safety
Stall rental was $5,000 but
now it has increased to
$8,000. What¡¯s the impact
on my Breakeven Volume?
X
When costs increase,
Breakeven vol. will increase so
that the additional cost can be
covered. Try again!
10,000 bowls is not my
breakeven volume! Please
click on ¡°Need a hint?¡± to
refresh your memory!
Trust me! There¡¯s a change!
Yay! That¡¯s right! When you take
the new total costs of $18,000
and divide that by $3, you will
get the new breakeven of 6,000,
which is an increase from the
breakeven of 5,000.
Retry
10. Click to move segment along. 10 of 13
$
Vol (Z)
Total Cost (after variable cost
change)
Next Replay
After Variable Cost (Fish) increased from $1,500 to $4,500, the breakeven vol. changed from 4,000
to 5,000.
Then Fixed Cost (Rental) increased from $5,000 to $8,000. This caused the Total Fixed Cost to
Increase and the Total Cost line to shift upwards creating a new breakeven vol. of 6,000.
Total Cost
Fixed Cost
Variable Cost
New Variable Cost
Total Revenue
4,000 5,000
Breakeven Point
New Fixed Cost
Total Cost (after variable cost
and fixed cost change)
6,000
11. TOTAL REVENUE (TR) =
Unit Selling Price (USP) X Volume(Z)
X
10,000
bowls
TOTAL COSTS (TC)
= Total Fixed
Costs (TFC)
+
Total Variable
Costs (TVC)
Rental $8,000
Dishwasher
fixed fee: $500
Fish $4,500
Meat $1,000
Utilities $4,000
The change is:
a. Increase from
4,000 to 5,000
b. Decrease from
5,000 to 4,000
d. Increase from
4,000 to 10,000
a. Increase from
4,000 to 5,000
b. Decrease from
5,000 to 4,000
d. Increase from
4,000 to 10,000
c. Decrease from
10,000 to 4,000
c. Decrease from
10,000 to 4,000
Need a hint? 11 of 13
$
Vol (Z)
Total Profit
Total Cost
Breakeven Point
Actual Vol
Margin
of Safety
Stall rental was $5,000 but
now it has increased to
$8,000. What¡¯s the impact
on my Margin of Safety?
X
That¡¯s right! My breakeven was
5,000 but now it has gone up to
6,000. My margin of safety was
10,000 ¨C 5,000 = 5,000. Now my
margin of safety is 10,000 ¨C 6,000
= 4,000
Are you sure an increase in costs
will increase my Margin of Safety?
An increase in costs is likely to
reduce it instead. Try again!
My breakeven was 5,000. With the
increase in rental my new breakeven
was 6,000. How do I calculate my
new Margin of Safety? Click ¡°Need a
hint?¡± if you need to see more.
Are you sure an increase in
costs will increase my Margin
of Safety? An increase in costs
is likely to reduce it instead.
Try again!
Retry
12. Click to move segment along. 12 of 13
$
Vol (Z)
Total Cost (after variable cost
change)
Next Replay
After Variable Cost (Fish) increased from $1,500 to $4,500, the margin of safety changed from
6,000 to 5,000.
Then Fixed Cost (Rental) increased from $5,000 to $8,000. This caused the Total Fixed Cost to
Increase and the Total Cost line to shift upwards creating a new margin of safety of 4,000.
Total Cost
Total Revenue
4,000 5,000
Breakeven Point
Total Cost (after variable cost
and fixed cost change)
6,000
Actual Vol
Margin
of Safety 5,0004,0006,000
10,000
13. I hope after this segment you¡¯ve learnt:
- How to calculate the impact on Breakeven when
costs change.
- How to calculate the impact on Margin of Safety
when costs change.
Click to attempt the quiz for Part 4.
We will figure out how many bowls we need to sell
in order to become millionaires!
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