The debits and credits from four related transactions, (1) through (4), are presented in the following T accounts. Assume that the freight terms were FOB shipping point and that the credit terms were 1/10,n/30. Accounts Payable \begin{tabular}{lr|lr} \hline(3) & 1,980 & (1) & 13,860 \\ (4) & 11,880 & & \end{tabular} a. Describe each transaction. 1. Purchased merchandise on account net of discount. 2. 3. An allowance for return of merchandise was granted by the creditor. 4. Paid the balance due within the discount period. b. Determine the invoice amount of the merchandise that was returned in (3). The debits and credits from four related transactions, (1) through (4), are presented in the following T accounts. Assume that the freight terms were FOB shipping point and that the credit terms were 1/10,n/30. Accounts Payable \begin{tabular}{lr|lr} \hline(3) & 1,980 & (1) & 13,860 \\ (4) & 11,880 & & \end{tabular} a. Describe each transaction. 1. Purchased merchandise on account net of discount. 2. 3. An allowance for return of merchandise was granted by the creditor. 4. Paid the balance due within the discount period. b. Determine the invoice amount of the merchandise that was returned in (3)