Astore pays two fees when a customer uses a credit card to make a purchase. these fees include • a flat fee of $0.25 and • a processing fee equal to 2.75% of the dollar amount of the purchase there is no sales tax on the purchase. part a: what is the amount, in dollars and cents, the store pays in fees for a $70.00 purchase by a customer using a credit card? part b: the store gives a discount to customers who use cash instead of a credit card for a purchase. the discount is equal to ! ! of the 2.75% processing fee the store would be charged if a credit card was used. a customer will make a $200 purchase using cash. what will be the discount, in dollars and cents, for using cash instead of a credit card on this purchase?