\begin{tabular}{|c|c|} \hline nce, & EX 6-4 Perpetual inventory using LIFO \\ \hline 485 & \begin{tabular}{l} Assume that the business in Exercise 63 maintains a perpetual inventory system, costing by \\ the last-in, first-out method. Determine the cost of goods sold for each sale and the inventory \\ balance after each sale, presenting the data in the form illustrated in Exhibit 4 . \end{tabular} \\ \hline \end{tabular}