Diligent Ltd had the following beginning inventory and purchases of inventory during June: Beginning Inventory 10 units @ $60 June 2nd purchases 25 units @ $63 June 18th purchases 30 units @ $64 June 29th purchases 15 units @ $70 The business uses the periodic system and there are 20 units of inventory on hand at the end of June. What is the value of ending inventory at 30 June using the FIFO inventory method? a. $1,400 b. $1,370 c. $1,230 d. $1,200