คำแนะนำของผู้เขียน
1. Say "thank you" if it is correct, and say "sorry, you gave the wrong change" if the amount isn't right.
2. Count your change. Type " - " if the amount is right. Type the correct amount if it is wrong.
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คำแนะนำของผู้เขียน
1. Say "thank you" if it is correct, and say "sorry, you gave the wrong change" if the amount isn't right.
2. Count your change. Type " - " if the amount is right. Type the correct amount if it is wrong.
