DeWitt Company sells a kitchen set for $400. To promote July 4, DeWitt ran the following advertisement:

Beginning each hour up to 4 hours we will mark down the kitchen set 12%. At the end of each hour, we will mark up the set 1%. Assume Ingrid Swenson buys the set 1 hour 50 minutes into the sale.

a. What will Ingrid pay? (Round your answer to the nearest cent.)

b. What is the markdown percent? (Round your answerto the nearest hundredth percent.)