GRE

简答题When a store processes acredit-card payment,they are charged a fee of 25 cents plus 2.6%of the total.If astore processes 4,000 credit card payments for a total of$150,000,how much will they be charged in fees?

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A.
Each of the 4,000 credit—card payments will incur a 25.cent charge,for a total of 4000 X$0.25=$1,000 in feas.on top of this,the store will be charged 2.6%of the total of$150,000,thus 0.026×$150,000=$3,900.The total amount in fees will thus be$1,000+$3,900=$4,900.