Concord Corporation uses a periodic inventary system. Its recoeds show the followirg for the month of May. in which 78 units were sold. Compute the eneine imventory at Miry 31 and cost of eoods sold using the FIFO. LFO, and average-cost methodx (Round per unit cout to 3 decinal places, es. 15.647 and final enewers to 0 declonal places, es 5,125 )