Satriale's Pork Store's inventory (for one item) activity for April is shown below. Satriale's Pork Store use a perpetual inventory system: Date 1 April 7 April 9 April 14 April 30 April Required: a. b. Transaction Beginning inventory Purchase Sale Purchase Sale Units 15 50 40 60 35 Unit cost $49 $45 $55 Calculate the ending inventory and cost of each sale under the FIFO method. Calculate the ending inventory and cost of each sale under the weighted average method.