Rose Ltd has the following trial balance extract at 31 March 20X7: revenue £620,000; opening inventory £45,000; purchases £355,000; closing inventory £52,000; wages £110,000; rent £36,000; depreciation of equipment £14,000; loan interest £6,000. Prepare the statement of profit or loss for the year ended 31 March 20X7 down to profit before tax, showing gross profit and operating profit. Ignore tax.