Problem 5-3A (Algo) Perpetual: Alternative cost flows LO P1 Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions. 4. Compute gross profit earned by the company for each of the four costing methods. (Round your average cost per unit to 2 decimal places.) 5. The company's manager earns a bonus based on a percent of thross profit. Which method of inventory costing produces the highest bonus for the manager? Specific identification FHO Weighted Average UFFO \begin{tabular}{|l|l|l|l|l} \hline Perpetual FIFO Perpetual LIFO & Weighted Average Specific Id \\ \hline \end{tabular} Compute the cost assigned to ending inventory using FIFO. (Round your average cost per unit to 2 decimal places.) IDriuent unuir averane enet nar unit to 2 decimal olaces.) ompute the cost assigned to ending inventory using weighted average. (Round your average cost per unit to 2 decimal places.) Compute the cost assigned to ending inventory using specific identification. (For specific identification, units soid consist of 620 units from b from the February 10 purchase, 100 from the March 13 purchase, 120 from the August 21 purchase, and 185 from the September 5 purcha