Cost of Goods Sold for 2017 Was $450,000 While Net

Cost of goods sold for 2017 was $450,000 while net sales amounted to $800,000.On January 1,2017,inventory was $200,000 while on December 31,2017,inventory was $250,000.Inventory turnover for 2017 was:

A) 3.76
B) 2.00
C) 2.12
D) 2.25