The following information relates to the inventory of Seattle Corporation for the month of September Units Total cost Selling Price September 1 Opening balance 500 $6,000 September 3 Purchase 400 $5,000 700 $17,500 September 5 Sale September 10 Purchase 350 $4,550 September 18 Purchase 250 $ 3,375 September 25 Sale 450 $11,250 Required: Assume Seattle Corporation uses the perpetual weighted average inventory system, calculate the cost of goods sold, ending inventory value, and gross profit for September. Select one: a. COGS $14,386, Ending Inventory $4,236, Gross Profit $14,364 b. COGS $14,286, Ending Inventory $4,636, Gross Profit $14,464 c. COGS $14,386, Ending Inventory $4,536, Gross Profit $14,364 d. COGS $14,486, Ending Inventory $4,436, Gross Profit $14,264 e. COGS $14,486, Ending Inventory $4,536, Gross Profit $14.264