During September, Best Buy sells 972 laptops for $2,350 each. The company has the following inventory purchase transactions for September: Date Transaction # of Units Unit cost Total Cost 1-Sep Beginning Inventory 150 $1,250 $187,500 7-Sep Purchase 350 $1,255 439,250 19-Sep Purchase 500 $1,257 628,500 1,000 $1,255,250 7. $. What were company's sales revenue for the period? For questions 8 - 10 assume the company uses First-in, First-out (FIFO) inventory valuation. 8. $ 9. $ _Calculate ending inventory (FIFO) _Calculate cost of goods sold (FIFO) 10.$. Calculate gross profit (FIFO) For questions 11 - 13 assume the company uses Last-in, First-out (LIFO) inventory valuation. 11. $. Calculate ending inventory (LIFO) 12. $ _Calculate cost of goods sold (LIFO) 13. $ Calculate gross profit (LIFO) For questions 14 - 16 assume the company uses Weighted Average cost inventory valuation. 14. $ _Calculate ending inventory (WA) 15. $ Calculate cost of goods sold (WA) 16. $. _Calculate gross profit (WA)