tpx 15.00 points Problem 6-17A Alternative cost flows-periodic LO8 Synergy Company began 2017 with 15,500 units of Product X in its inventory that cost $6.80 per unit, and it made successive purchases of the product as follows: Mar. 7 22,500 units@ S8.30 each May 25 27,500 units 10.30 each Aug. 1 18,000 units$ 13.70 each Nov. 10 27,500 units@ S 15.20 each The company uses a periodic inventory system. On December 31, 2017, a physical count disclosed that 11,500 units of Product X inventory. in Required 1. Calculate the number and total cost of the units available for sale during 2017 017-12-31