5 Inventory and Prepaids (10 Points) Saved Mannisto Inc. uses the FIFO inventory cost flow assumption. In a year of rising costs and prices, the firm reported net income of $222,805 and average assets of $1,497,010. If Mannisto had used the LIFO cost flow assumption in the same year, its cost of goods sold would have been $43,620 more than under FIFO, and its average assets would have been $40,580 less than under FIFO. Required: a. Calculate the firm's ROI under each cost flow assumption (FIFO and LIFO). (Enter your answers as percentages rounded to 1 decimal place (i.e., 12.2%).) FIFO LIFO ROI % % b. Suppose that two years later costs and prices were falling Under FIFO, net income and average assets were $259,955 and $1750,410, respectively. If LIFO had been used through the years, inventory values would have been $49,160 less than under FIFO. and current year cost of goods sold would have been $21.991 less than under FIFO Calculate the firm's ROI under each cost flow assumption (FIFO and LIFO). (Enter your answers as percentages rounded to 1 decimal place (i.e., 12.2%).) FIFO LIFO ROI