A company had beginning inventory of 12 units at a cost of $18 each on March 1. On March 2, it purchased 12 units at $30 each. On March 6 it purchased 7 units at $23 each. On March 8, it sold 28 units for $66 each. Using the FIFO perpetual inventory method, what was the cost of the 28 units sold?

Multiple Choice

• $576

• $737

• $558

• $644

• $668