Stoney Brooke,Inc

Stoney Brooke,Inc.has sales of $990,000 and cost of goods sold of $540,000.The firm had a beginning inventory of $36,000 and an ending inventory of $46,000.What is the length of the inventory period?

A) 15.24 days
B) 15.61 days
C) 21.19 days
D) 27.71 days
E) 32.38 days