Given the following data, calculate the cost of Good Sold using the FIFO method. 1/1 Beginning inventory 50 units at $10 per unit 3/5 Purchases 30 units at $14 per unit 5/30 Purchases 25 units at $15 per unit 10/25 Purchases 20 units at $16 per unit 12/31 Ending inventory 45 units a. $630 O b. $920 O c. $720 O d. $995