CODS= 4100unit at total cost of $78,800

can you explain in specifi details how we get 78,800 please!! very specific calculations provide all numbers we are using to get 78,800

and Ending inventory= 5300unit at total cost 115,800 explain in details how we calculate 115,800

please be specific i have no idea how we got crazy numbers ( solve part A only)

Part a) Calculate the amount of cost of goods soid and the value of the ending inventory for the month of Javary by using Fins in- First oul (fifor methot of inventory valuation ( 5 marks) Part b) If we use average method of inventory valuation in the above stuation of nising prices, what will be the inpoct on the cosing invianion ana the coat of goosi sold? (1 mark) [Note: You aro not required to show any calculation for this part (b)