Answer and please explanation

S18-6 Computing cost of goods sold and operating income, merchandising company Consider the following partially completed income statements for merchandising companies and compute the missing amounts: Fit Apparel Jones, Inc. $ 101,000 s (d) (a) 29,000 Sales Cost of Goods Sold: Beginning Merchandise Inventory Purchases and Freight In Cost of Goods Available for Sale Ending Merchandise Inventory Cost of Goods Sold 48,000 (b) 88,000 (1,900) (1,900) 59,000 Gross Profit Selling and Administrative Expenses Operating Income 42,000 113,000 (C) 84,000 13,000 (g