4. Compute gross profit eamed by the company for each of the three costing methods in part 3. 5. If the company's manager earns a bonus based on a percent of gross profit, which method of inventory costing will the manager likely prefer? Specific identification FIFO Weighted average method 4. Compute gross profit eamed by the company for each of the three costing methods in part 3. 5. If the company's manager earns a bonus based on a percent of gross profit, which method of inventory costing will the manager likely prefer? Specific identification FIFO Weighted average method