A company sells a climbing kit and uses the perpetual inventory system to account for its merchandise. The beginning balance of the inventory and its transactions during January were as follows: January 1: Beginning balance of 18 units at $13 each. January 12: Purchased 30 units at $14 each. January 19: Sold 24 units at $30 selling price each. January 20: Purchased 24 units at $17 each. January 27: Sold 27 units at $30 selling price each. The cost of goods sold for January using LIFO is Select one: a. 710 b. 786 c. 705 d. 780