Could i please get help with these three problems?

Presented below are the components in Clearwater Company's income statement. Determine the missing amounts Sales Cost of Gross Operating Net Goods Sold Profit Expenses Income 75,000 S 28,600 10,800 108,000 70,000 ? 29,500 71,900 $ 99,600 $ 39,500 2In its income statement for the year ended December 31,2005, Bach Company reported the following Admistration expenses 435,000 Selling Expenses $ 490,000 Cost of Goods Sold 1,289,000 Loss on Sale of Equipment 10,000 Interest Expense 70,000 Net Sales 2,342,000 Interest Revenue 28,000 Prepare the following Multi-step income statement Single-step income statementYou are provided with the following information for Lahti Inc for the month ended October 31, 2005 Lahti uses to perpetual method of inventory Unit Cost or Date Description Units Selling Price October 1 Beginning Inventory 60 $ 25 October 9 Purchase 120 26 October 11 Sale 100 35 October 17 Purchase 70 27 October 22 Sale 60 40 October 25 Purchase 80 28 October 29 Sale 150 40 Compute the ending inventory, cost of goods sold, and gross profit under the following methods FIFO LIFO Average Cost