Выбрать нужный вариант глагола в пассивном залоге.
1. if goods ... bought on credit it means that...
are is am will be
2. In this case the purchaser must ..... the cash price, how much interest she is actually paying
tell is told be told been told

1.If goods are bought on credit it means that in this case the purchaser must be told the cash price, how much interest she is actually paying.

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