Problem 6-3abridgeport corp. had a beginning inventory of 91 units of product rst at a cost of $7 per unit. during the year, purchases were: feb. 20 603 units at $8 aug. 12 426 units at $10may 5 530 units at $9 dec. 8 104 units at $11bridgeport corp. uses a periodic inventory system. sales totaled 1,400 units. (a) determine the cost of goods available for sale. the cost of goods available for sale $(b) calculate average cost. (round answer to 3 decimal places, e. g. 5.125.)average cost $(c)determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (fifo, lifo, and average-cost). (round answers to 0 decimal places, e. g. 150.)fifolifoaverage-costthe ending inventory $$$the cost of goods sold $$$