A grocery store pays 2 fees when a customer uses q credit card to make a purchase.
These fees include: a flat fee of $0.12 and a processing fee equal to 1.65% of the dollar amount of the purchase. With no-sales tax
Part a
What is the amount, in dollars and cents, the store pays in fees for a $70.00 purchase by a costomer using a credit card?

part b
the grocery store gives a discount to any customer that used cash instead of credit card for a purchase. the discount is equal to 5/6 of the 1.65% processing fee the store would be charged if a credit card was used.
a customer will make a $180 purchase using cash. what will be the discount, in dollars and cents, for using cash instead of a credit card on this purchase?