A grocery store manager must decide whether to buy four rug cleaners to rent to customers.The manager estimates that the first would yield $200 a year,the second $150,the third $75,and the fourth $20.If the interest rate is 12 percent and each rug cleaner costs $500,how many should the manager buy?
A)none
B)one
C)two
D)three
E)four

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The Answer of A grocery store manager must decide whether to buy four rug cleaners to rent to customers.The manager estimates that the first would yield $200 a year,the second $150,the third $75,and the fourth $20.If the interest rate is 12 percent and each rug cleaner costs $500,how many should the manager buy?
A)none
B)one
C)two
D)three
E)four

A Grocery Store Manager Must Decide Whether to Buy Four