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In which of the following cases was the inflation rate 10 percent over the last year?a)One year ago the price index had a value of 145 and now it has a value of 163.b)One year ago the price index had a value of 110 and now it has a value of 120.c)One year ago the price index had a value of 126 and now it has a value of 140.d)One year ago the price index had a value of 120 and now it has a value of 132.

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