Q & R Stores	Year Ended 31 October 2018
Motor vehicle running expenses	£1,300
Closing inventories	£3,600
Rent payable	£5,900
Motor vans – cost less depreciation	£7,000
Annual depreciation – motor vans	£1,700
Heat and light	£940
Telephone and postage	£470
Sales revenue	£97,500
Goods purchased	£68,800
Insurance	£750
Loan interest payable	£640
Balance at bank	£4,750
Salaries and wages	£10,300
Opening inventories	£4,200

Prepare a profit and loss account for the year ended 31 October 2018, and compute the cost of goods sold and net earnings.