U & V Logistics	Year Ended 30 April 2019
Vehicle maintenance expenses	£1,200
Closing stock	£3,300
Office rent	£5,500
Fleet vehicles – cost less depreciation	£6,500
Annual depreciation – fleet vehicles	£1,700
Utilities	£950
Communication expenses	£520
Total sales	£101,000
Goods bought	£66,500
Insurance	£780
Interest on loans	£630
Bank balance	£4,600
Employee wages	£10,300
Opening stock	£4,200

Prepare an income statement for the year ended 30 April 2019, and calculate the gross margin.