Stoney Brooke, Inc. has sales of $1,000,000 and cost of goods sold of $734,700. The firm had a beginning inventory of $39,000 and an ending inventory of $54,000. What is the length of the inventory period?
a) 22.78 days
b)16.97 days
c) 19.38 days
d)19.11 days
e) 23.10 days