At the end of January, Mineral Labs had an inventory of 975 units, which cost $8 per unit to produce. During F produced 1,900 units at a cost of $12 per unit a. If the firm sold 2,850 units in February, what was the cost of goods sold? (Assume LIFO inventory accounting) Cost of goods sold b.if the firm sold 2,850 units in February, what was the cost of goods sold? (Assume FIFO inventory accounting) Cost of goods solk