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 , 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 final answers to 2 decimal places. Round all weighted averoge unit costs to two decimal places.) 2. Using your caiculations from Part 1, complete the following schedule: (Do not round intermediate calculotions. Round t) onswers to 2 decimal places. Round all weighted overoge unit costs to two decimal ploces.) 2. Using your calculations from Part 1, complete the following schedule: (Do not round intermediate colculations. Round the final onswers to 2 decimal places. Round all weighted average unit costs to two decimal places.)