Answer the following questions using the information below: Beginning finished goods, 1/1/20X3 En...

Answer the following questions using the information below: Beginning finished goods, 1/1/20X3 Ending finished goods. 12/31/20X3 Cost of goods sold Sales revenue Operating expenses $ 90,000 77,000 270.000 500,000 155,000 What is gross margin for 20X3? O $283,000 $257,000 $230.000 $355,000 Show work please