For the following purchases of merchandise, determine the amount of cash to be paid: Purchase Invoice Date Credit Terms FOB Amount of Purchase Freight Charges Total Invoice Amount Returns and Allowances Date Paid a. June 1 2/10, n/30 Destination $580 $580 June 30 b. June 12 1/10, n/30 Destination 1,220 1,220 $180 June 21 c. June 14 2/10, n/30 Shipping point 4,400 $40 4,440 June 23 d. June 21 n/30 Shipping point 2,020 50 2,070 120 July 20 e. June 24 1/10, n/30 Shipping point 6,280 170 6,450 180 July 3