A company had beginning inventory of 12 units at a cost of $15 each on March 1. On March 2, it purchased 12 units at $24 each. On March 6, it purchased 7 units at $20 each. On March 8, it sold 28 units for $63 each. Using the FIFO perpetual inventory method, what was the cost of the 28 units sold?

A.) $608

B.) $465

C.) $560

D.) $548

E.) $468