During 2017, Harmony Co. sold $520,000 of merchandise at marked retail prices. At the end of 2017, the following Information was available from its records: Beginning Inventory Net purchases At Cost $127,600 231,240 At Retall $256,800 393,600 Assume that In addition to estimating its ending Inventory by the retail method, Harmony Co. also took a physical Inventory at the marked selling prices of the Inventory Items at the end of 2017. Assume further that the total of this physical Inventory at marked selling prices was $109,200. a. Determine the amount of this Inventory at cost. (Round your Intermediate calculations and final answer to 2 decimal places.) Inventory at cost $ 60,248.04 b. Determine Harmony's 2017 Inventory shrinkage from breakage, theft, or other causes at retail and at cost. (Round your Intermediate calculations and final answers to 2 decimal places.) At Cost At Retail Estimated inventory that should have been on hand $ 130,400.00 Physical inventory Inventory shrinkage 109,200.00 $ 21,200.00