Some of the information found on a detail inventory card for Waterway Inc. for the rst month of operations is as follows. Received Issued, Balance, Date No. of Units Unit Cost No. of Units No. of Units January 2 1,600 $4.65 1,600 7 1,100 500 10 1,000 4.96 1,500 13 900 600 18 1,400 5.12 700 1,300 20 1,100 200 23 1,700 5.27 1,900 26 1,200 700 28 2,000 5.43 2,700 31 1,700 1,000