Given the following data, calculate the cost of ending inventory using the FIFO costing method: Jan Beginning inventory 26 units at $47 per unit; Feb 25 Purchased 30 units at $50 per unit; June 15 Purchased 35 units at $49 per unit; Sept 20 Purchased 40 units at $50 per unit; Dec 31 Ending inventory 61 units. It might help to make a table. Select one: a. $3,029 b. $2,000 c. $3,715 d. $6,437