Fine Fair Factory has the following inventory information. March 1 Beginning Inventory 60 units at $10 March 5 Purchases 70 units at $12 March 10 Sale 80 units sold at $15 March 11 Sales Returns 20 units March 20Purchase 50 units at $15 March 30 Sales 40 units sold at $20 is used, what is the amount allocated to Assuming that a peric nventory syst ending inventory on a FIFO basis? Select one: a $1,110 b. $750 c. $1,100 d. $840