4. (10pts) Calculate:(a) closing book inventory at retail; (b) shortage or overage %; (c) gross cost of merchandise sold; and (d) maintained markup %; (e) gross margin% Cost $69,820 425,780 5,060 3,450 3,300 2,590 Retail $129,000 886,720 9,320 Opening inventory Purchases Returns to vendors Freight Transfers from/in Transfers to/out Gross sales Customer returns Markdowns Employee discounts Closing physical inventory Cash Discounts 7,920 6,280 880,500 48,480 51,530 3,860 119,060 4,500 Answers: (a) closing book inventory at retail Click here to enter text. (b) shortage or overage % Click here to enter text. (c) gross cost of merchandise sold Click here to enter text. (d) maintained markup % Click here to enter text. (e) gross margin% Click here to enter text