Valley Company's adjusted trial balance on August 31, 2017, its fiscal year-end, follows. Debit $ 45,000 180,000 Credit Merchandise inventory Other (noninventory) assets Total liabilities K. Valley, Capital K. Valley, Withdrawals Sales Sales discounts Sales returns and allowances Cost of goods sold Sales salaries expense Rent expense-Selling space Store supplies expense Advertising expense Office salaries expense Rent expense-Office space Office supplies expense Totals $ 51,975 146,529 8,000 307,800 4,709 20,315 118,387 42,169 14,467 3,694 26,163 38,475 3,694 S 506,304 506,304 On August 31, 2016, merchandise inventory was $36,315. Supplementary records of merchandising activities for the year ended August 31, 2017, reveal the following itemized costs. Invoice cost of merchandise purchases Purchases discounts received Purchases returns and allowances Costs of transportation-in $132,300 2,778 6,350 3,900 Required 1. Compute the company's net sales for the year 2. Compute the company's total cost of merchandise purchased for the year 3. Prepare a multiple-step income statement that includes separate categories for net sales, cost of goods sold, selling expenses, and general and administrative expenses 4. Prepare a single-step income statement that includes these expense categories: cost of goods sold, selling expenses, and general and administrative expenses