4 p Reba, Inc. uses a periodic inventory system. At the end of the January 31, 2017, the accounting records for the most popular item in inventory showed the followin Transactions Unit Cost Units 350 51 Beginning inventory Purchase, January 10th 450 Purchase, January 30th 200 Reba sells the units for $20 each. At the end of the period, Reba has 310 units remaining in inventory. What is the cost of goods sold if Reba uses the FIFO method? 3535 54