At the end of January, Mineral Labs had an inventory of 925 units, which cost $9 per unit to produce. During February the company produced 1,650 units at a cost of $13 per unit. a. If the firm sold 2,350 units in February, what was the cost of goods sold? (Assume LIFO inventory accounting.) b. If the firm sold 2,350 units in February, what was the cost of goods sold? (Assume FIFO inventory accounting.)