14. Utilize the following figures to calculate: a. The closing book inventory at retail. b. The cost value of this closing book inventory. c. The cumulative markup percentage on merchandise handled. Cost Retail Opening inventory Gross purchases Returns to vendors Freight Net sales Customer returns Markdowns $390,500 $890,000 $3,800 $3,260 $1,562,000 $3,000,000 $12,000 $517,000 $25,000 $193,000