Critical Reasoning (CR) | Re: In the state of Michigan, , from 1980-1989, the total

In the state of Michigan, , from 1980-1989, the total spending on books purchased from all sources increased by 34%. But during the same period, spending on fiction books, most of which were purchased from book stores selling only new books, grew just 16%. 

Which of the foll. stmts about the period from 1980-89 is best supported by the statements above? 

a. Spending on non-fiction books increased by more than 34% 
b. Shoppers were more likely to buy fiction books when they when to a bookstore
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