Purchases Sales April 1 (balance on hand) 470 @ $6.

3..;@ 6.90

• Attachment 1
• Attachment 2
• Attachment 3

1 Problem 8-4Date Units Price Total costs 1 470 6 2820 4 770 6.1 4697 11 670 6.3 4221 18 570 6.4 3648 26 970 6.7 6499 30 570 6.9 3933 Total 4020 25,818 Average cost per unit=25,818/4020=6.4224...