1. MaCo begins operations in 20X1 and uses the periodic method and FIFO costing. In March, 20X1, MaCo buys 700 units @ $4; in July, it buys 2,700 units @ $6, and in November, it buys 1,600 units @ $8. The cost of the 1,900 units in MaCo's December 31 ending inventory is... A.) $10,000 B.)$15,200 C.) $14,600 D.) $7,600