Berring Sales Uses the Average-Cost Method

Berring Sales uses the average-cost method.The partially completed inventory record for January appears below. On January 14,the company sold 10 units.On January 29,the company sold 50 units.
-Complete the inventory record through the January 14 sale,and calculate the Cost of goods sold for the January 14 sale.(Please round to the nearest whole dollar.)

A) $38
B) $33
C) $42
D) $40