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She would have to pay back for the more expensive interest than the less expensive interest which will be calculated in the form of simple interest and compound interest .
Simple interest
10000 x .07 = 700
700 x 5 = 3500
total 13500
Compund interest
10000(1.06)^5 = 13382.26
13500 - 13382.26 = 117.74
118 rounded
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