Metlock, Inc. began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales.

Not sure how to calculate the moving average cost. The number I got for July 21 didn't add up to what the write answer was suppose to be. Please help.

Question 15 View Policies Show Attempt History Metlock, Inc. began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales. Purchases Units Unit Cost Sales Units 6 $121 Date July 1 July 6 July 11 July 14 July 21 July 27 8 $137 10 $148 Your Answer Correct Answer Your answer is correct. Calculate the average cost per unit at July 1, 6, 11, 14, 21 & 27. (Round total cost to O decimal palces eg. $105 and average cost per unit to 3 decimal places, e.. $105.251.) July 1$ Average cost for each unit 121 July 6 $ 121 July 11 $ 135.222 July 14 $ 135.222 July 21 $ 143.733 July 27 $ 143.733