Missing three numbers, you are to determine these missing numbers. (Assume taxes are part of "period expenses.")

0 0 0 0 Sales Cost of goods sold: 2,250 S 1800 S 1,350 S 2,100 Beginning inventory Plus: Purchases Less:nding inventor 300 S 975 225 S S 300 850 S 1.200 300S 300 Cost of goods sold S 750 Gross margin Period expenses Net income (loss) 300 S 400 S 150 S (50)