Some of the information found on a detail inventory card for Metlock Inc. for the first month of operations is as follows. Received Date No. of Units Unit Cost Issued, No. of Units Balance, No. of Units January 2 1,700 $3.84 1,700 7 1,200 500 2222222 10 1,100 4.10 1,600 13 1,000 600 18 1,500 4.22 800 1,300 20 1,100 200 23 1,800 4.35 2,000 26 1,300 700 28 2,100 4.48 2,800 31 1,800 1,000 (a1) Calculate the weighted-average cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Weighted-average cost per unit $