Capri Dcor Ltd. holds beginning inventory of 900 organic cotton crib mattresses at a cost of $102 each, as at July 1. during the month of July, the company has recorded the following purchases and sales (see table below). Carpi Dcor is using the perpetual Inventory method. The company does not accept returns for these mattresses (.e. estimated return rate is 0%). Round numbers in your calculations to the nearest cent. Present your answer as plain number, I.e. without thousand Purchases Units Unit Cost in $ 600 102 Sales Unit Price in $ Units 800 189 Date 02-Jul 10-Jul 12-Jul 17-Jul 25-Jul 30-Jul 600 97 900 189 600 98 a) Using the WEIGHTED AVERAGE COST, determine the cost of goods sold, the cost of the ending inventory, and the weighted average unit cost at the end of the month, and answer the specific questions below. b) Disregard your own calculations of the cost of goods sold and assume they are $137057. Calculate the gross profit margin. (Round the final result to 1 digit after the comma for the %-value, for example: for 34.57% enter 34.6 without 9-sign.) a) Total Cost of Goods Sold for the month of July: $ Ending inventory cost after purchase on July 2: $ Weighted average unit cost after the purchase on July 12 (round to two digits after the comma): Sales revenue for the selling transaction on July 17: $ Weighted average unit cost after the purchase on July 30 (round to two digits after the comma): Total ending inventory cost by the end of the month: $ b) Gross profit margin (please follow instructions for calculation and formatting provided in question b)