The following trial balance was taken from the books of Eaton Corporation on December 31, 20X6. Account Debit Credit Cash $10,000 Accounts Receivable 40,000 Notes Receivable 7,000 Allowance for Doubtful Accounts Inventory, January 1, 20X6 51,000 Prepaid Insurance Supplies 4.800 7,300 120,000 Furniture and Equipment Accumulated Depreciation of F&E 15.000 Accounts Payable 10.800 Common Stock 44,000 Retained Earnings 65,000 Sales 290,000 Purchases 131,000 11,300 Purchase Returns Salaries Expense 50,000 Rent Expense 15,000 Totals $436,100 $436,100 At year-end, adjusting entries need to be recorded for the following: Supplies on hand at December 31, 20X6 were $4,500. Required: a. Prepare the necessary adjusting entries, including the adjustment to inventory at year-end