Ending inventory consisted of 50 units. Mason sold 340 units at $170 each. All purchases and sales were made with cash. Operating expenses amounted to $2800. Required a. Compute the gross margin for Mason Company using the following cost flow assumptions: (1) FIFO, (2) LIFO, and (3) weighted average. b. What is the amount of net income using FIFO, LIFO, and weighted average? (Ignore income tax considerations.) c. Determine the cash flow from operating activities, using each of the three cost flow assumptions listed in Requirement a. Ignore the effect of income taxes. Complete this question by entering your answers in the tabs below. Required A Required B Required C Determine the cash flow from operating activities, using each of the three cost flow assumptions listed in Requirement a. Ignore the effect of income taxes. (Enter cash outflows with a minus sign.) FIFO LIFO Cash flows from operating activities Cash inflow from customers Cash outflow for inventory and expense Net cash flow from operating activities $ 57,800 Weighted Average $ 26,550 $26,300 $ 26,493