Cover of the textbook Outcomes Beginner - Student's Book

The key answer of exercise 11

The key to exercise solutions in chapter 1 - Time for coffee for the textbook Outcomes Beginner - Student's Book with authors Hugh Dellar and Andrew Walkley from National Geographic Learning

Question

Listen to part 2 of the conversation. What's the problem (a, b or c)?

Answer

b (The shop assistant gave £10 too little change.)