Kingbird Company's record of transactions for the month of April was as follows. Sales Purchases April 1 (balance on hand) 1,500 @ $6,00 April 3 1.250 @ $10.00 4 3.750 @ 6.08 9 3.500 @ 10.00 00 2,000 @ 6.40 11 1.500 @ 11.00 13 3,000 @ 6,50 23 3,000 @ 11.00 21 1.750 @ 6.60 27 2,250 e 12.00 29 1.250 @ 6.79 11,500 13,250 (a1) Assuming that periodic inventory records are kept in units only. calculate the average cost per unit. (Round answer to 2 decimal places, eg. 2.76.) $ per unit Average-cost per unit