Carla Vista Co. uses a periodic inventory system. Its records show the following for the month of May, in which 70 units were sold. Date Explanation Units Unit Cost Total Cost May 1 Inventory 37 $8 $296 15 Purchase 24 9 216 24 Purchase 39 10 390 Total 100 $902 Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e. g. 5.125.) Weighted-average unit cost $Enter the Weighted-average unit cost in dollars rounded to 3 decimal places eTextbook and Media Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to 0 decimal places, e. g. 125.)

What is the difference between total utility and marginal utility? a. marginal utility is subject to the law of diminishing marginal utility while total utility is not. b. total utility represents the consumer optimum while marginal utility gives the total utility per dollar spent on the last unit. c. total utility is the total amount of satisfaction derived from consuming a certain amount of a good while marginal utility is the additional satisfaction gained from consuming an additional unit of the good. d. marginal utility represents the consumer optimum while total utility gives the total utility per dollar spent on the last unit.