How would you calculate the:

• closing inventory
• sales revenue
• purchase discounts
• purchase returns

with the following information?

Acc. No. Account Debit ($) Credit ($) 100 Cash at Bank 526,824 101 Accounts Receivable Control 204,120 102 Stationery Supplies 129,438 103 Inventory 169,600 104 Prepaid Store Rent (paid 1 March 2020) 633,960 105 Prepaid Insurance (paid 1 Nov. 2019) 9,720 150 Showroom Fittings 437,400 151 Accumulated Depreciation - Showroom Fittings 160 Equipment 148,500 161 Accumulated Depreciation - Equipment 72,900 200 Accounts Payable Control 131,652 201 Interest Payable 202 Utilities Payable 203 Wages Payable 204 Salaries Payable 205 Tax Payable 206 Dividend Payable 250 Mortgage Loan (due 31 July 2035) 520,236 300 Share Capital 972,000 301 Retained Profits (1 July 2019) 825,876 302 Dividends Declared $03 Profit and Loss Summary 400 Sales Revenue 3,467,772 401 Sales Discounts (Discount Allowed) 26,622 102 Sales Returns and Allowances 7,506 500 Purchases 1,651,590 501 Purchase Discounts (Discount Received) 20,736 502 Purchase Returns and Allowances 8,694 600 Freight-Out 2,484 601 Wages Expense - Sales Staff 829,818 602 Depreciation Expense - Showroom Fittings 603 Depreciation Expense - Equipment 604 Stationery Expense 605 Rent Expense 606 Insurance Expense 607 Advertising Expense 37,584 608 Interest Expense 609 Utilities expense 50,112 610 Tax Expense 611 Sundry Expenses 2,592 512 Salaries Expense - Office Staff 651,996 613 Bad Debts Expense 6.019.866 6.019.866