b. Haley's Design uses a periodic inventory system. Haley sold 40 artist kits during January. a. Other data for January includes: Jan. 1 Balance 20 @ $30 11 Purchased 12 @ 33 25 Purchased 26 @ 35 Ending inventory under the LIFO method is: a) $640. b) $660. c) $550. d) $540. 2' Magnum Supply uses a periodic inventory system. Magnum sold 30 globes during March. Other data for March includes: Mar. 1 Balance 20 @ $12 11 Purchased 10 @ 11 25 Purchased 10 @ 10 Ending inventory under the weighted-average method is: a) $112.50. b) $115.50. c) $110.00. d) $120.00