Tamarisk Company's record of transactions for the month of April was as follows. Sales April 3 9 $10.00 10.00 @ $6.00 6.08 6.40 6.50 6.60 11 @ Purchases April 1 (balance on hand) 1,200 4 3,000 @ 8 1,600 @ 13 2,400 @ 21 1,400 @ 29 1,000 @ 10,600 11.00 1,000 2,800 1,200 2,400 1,800 9,200 23 11.00 12.00 27 @ 6.79 (a1) Assuming that periodic inventory records are kept in units only, calculate the average-cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Average-cost per unit $ $ per unit