Profit & Loss Account You should be able to complete a summary profit and loss account Bank charges Cost of raw materials Electricity bill for factory Electricity bill for office 100,000 3,200,000 500,000 50,000 Hire of lorries and drivers to deliver goods to customers 150,000 ASTER EXERCISE ! Listed opposite is information on the income and expenditure of a business for a year. Calculate the profit after tax using the proforma profit and loss account shown on page 13. If you have studied the Factfile on ratios, you may also wish to calculate the gross margin percentage.. Profit on sale of land held as investment Rent of factory (including advance. payment of 150,000 for next year) Rent of office 400,000 750,000 50,000 Salaries of office staff 200,000 Sales 300,000 units at 20 each Tax 6,000,000 1.200,000 Wages of production workers 800,000