DURING A SALE, THE PRICE OF A PAIR OF SHOES IS MARKED DOWN 10% FRO...

14. During a sale, the price of a pair of shoes is marked down 10% from the regular price. After the saleends, the price goes back to the original price. What is the percent of increase to the nearest percentfrom the sale price back to the regular price for the shoes?a. 9%b. 10%c. 11%d. 15%e. 90%