Crane Company's record of transactions concerning part X for the month of April was as follows. Sales Purchases April 1 (balance on hand) 200 @ $5.10 4 500 @ 5.20 11 400 @ 5.40 18 5.50 26 700 @ 5.70 30 300 @ 5.90 April 5 400 12 300 27 1.000 28 150 300 @ (21) Calculate average-cost per unit. Assume that perpetual inventory records are kept in units only. (Round answer to 4 decimal places, e.g. 2.7682.) Average-cost per unit $