Problem 6-7A Gross profit comparisons and cost flow assumptions-perpetual LO2, 3 Ontario Skateboard Company has the following inventory and purchases during the fiscal year ended December 31, 2020 Beginning Inventory March 10 purchased March 2e sold May 13 purchased August 5 purchased September 1e sold 316 units $ 90/unit 221 units @ 93/unit 413 units @ $163/unit 260 units @ 88/unit 276 units @ 77/unit 464 units 5163/unit Ontario Skateboard Company employs a perpetual inventory system. Required: 1. Calculate the dollar value of ending Inventory and cost of goods sold using: (Do not round intermediate calculations. Round the final answers to 2 decimal places. Round weighted average all unit costs to two decimal places.) Ending Inventory Cost of Goods Sold a FIFO b. Moving weighted average Problem 6-18A Alternative cost flows-periodic LOS Synergy Company began 2020 with 15,000 units of Product X in its inventory that cost $670 per unit, and it made successive purchases of the product as follows. Mar. May Aug. Nov. 7 22,000 units @ $ 8.20 each 25 27,eee unitse $10.20 each 1 17,500 units @ $13.80 each 10 27,000 units @ $ 15.30 each The company uses a periodic inventory system. On December 31, 2020, a physical count disclosed that 11,000 units of Product remained in inventory Required: 1. Calculate the number and total cost of the units available for sale during 2020. Number of units Total cost of the units