A customer asks a clerk for stamps to send letters to America and Vietnam. The clerk provides the costs for stamps to America at 9,000 dong and stamps for a local letter at 12,000 dong. The customer purchases 15,000 dong worth of stamps and the clerk returns the change.
4. A: Hi! I need some stamps for America.
Clerk: Here you are. Is that all?
A: No, I need send a letter to My.
How much is that altogether?
Clerk: That is twelve thousand dong.
A: Oh! How much is a letter to America?
Clerk: Its nine thousand dong.
A: Here is fifteen thousand dong.
Clerk: Thanks. Here is your change
How much is a letter to America?
Its nine thousand dong