Some of the information found on a detail inventory card for Bonita inic. for the first month of operations is as follows. Received Balance, No. of Units Issued, No. of Units Date No. of Units Unit Cost January 2 1,600 $ 3.75 1,600 7 1.100 500 10 1,000 4.00 1,500 13 900 600 18 1.400 4.13 700 1,300 20 1,100 200 23 1,700 4.25 1,900 26 1,200 700 28 2,000 4.38 2,700 31 1,700 1,000 (a1) Your answer is incorrect. Calculate average-cost per unit. (Round answer to 2 decimal places, eg. 2.76.) Average-cost per unit $