LoDo Designs sells smart phone cases that are custom designed by local artists, Its beginning inventory of cases was 172 units at $35 per unit. During the year, Cortez made two batch purchases of these cases. The first was a 211-unit purchase at $38 per unit; the second was a 305-unit purchase at $41 per unit. During the period, it sold 557 cases. Required: Determine the amount of product costs that would be allocated to cost of goods sold and ending inventory, assuming that LoDo Designs uses a. FIFO. b. LIFO