100 points me! moses wanted to solve this problem. a box of spaghetti at the grocery store is purchased for $1.60 wholesale and is marked up by 60 percent. then, the store marks down the item by 20 percent. a customer wants to buy three boxes of spaghetti. how much will the customer pay, including paying 8 percent sales tax? round your answer to the nearest cent. look at the table below. a. step 1 b. step 2 c. step 3 d. step 4