Summertime had the following data for the month of March Beginning inventory March 1 306 units at $20 per unit March 19 purchase 194 units at $25 per unit March 27 purchase 198 units at $27 per unit On March 31, 320 units are still on hand. Determine the cost of goods sold for March if Summertime uses the FIFO method. O A. $8.946 OB. 58,640 O C. $7,920 OD. $13,960