0 7A company had inventory of 5 units at a cost. of $20 each on November 1. On November 2, they purchased 10 units at $22 each. On November 6, they purchased 6 units at $25 each. On November 8, they sold 18 units for $54 each. Using the LIFO perpetual inventory method, what was the cost of the 18 units sold? a. $395 b. $410 c. $450 d. $510