Susan Wilson Company was formed on December 1, 2019. The following information is available from Wilson's inventory records for Product BAP. Units Unit Cost January 1, 2020 (beginning inventory) 720 $7 Purchases: January 5, 2020 1,440 8 January 25, 2020 1,560 9 February 16, 2020 960 10 March 26, 2020 720 11 A physical inventory on March 31, 2020, shows 1,920 units on hand. (a) Prepare schedule to compute the ending inventory at March 31, 2020, under FIFO inventory method.