Question: please do fast!! i will rate you good for sure!! Assume that Sarah saves $100 in her bank. The bank agrees to pay Sarah $120
please do fast!! i will rate you good for sure!!

Assume that Sarah saves $100 in her bank. The bank agrees to pay Sarah $120 at the end of the year. If ination over that one year is 7%, what real rate of interest does Sarah earn on her $100
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