1. 15 points - Davis Has the following information for the month of June: Units Unit Price June 1 inventory 300 $12 June 12 purchase 400 $15 June 20 purchase 300 $16 Davis uses a periodic inventory system. Ending inventory is 600 units. Calculate cost of goods sold and ending inventory for each of the following methods assuming periodic inventory:

A. Average cost

B. FIFO

C. LIFO