Use the data for Kens in Exercise to answer the following:_x0001_Requirements1. Compute cost of goods sold and ending inventory, using each of the following methods:a. Specific unit cost, with three $150 units and six $160 units still on hand at the end.b. Average cost.c. First-in, first-out.d. Last-in, first-out.2. Which method produces the highest cost of goods sold? Which method produces the lowest cost of goods sold? What causes the difference in cost of goodssold?