Thornton Universal Sales' Cost of Goods Sold (COGS) Average $2,000,000

Thornton Universal Sales' cost of goods sold (COGS) average $2,000,000 per month, and it keeps inventory equal to 50% of its monthly COGS on hand at all times.Using a 365-day year, what is its inventory conversion period?

A) 11.7 days
B) 13.0 days
C) 14.4 days
D) 15.2 days
E) 16.7 days