Given the following facts, what is the inventory turnover ratio?

Cost of Goods Sold for $2021$:

Inventory on $12/31/21$:

Inventory on $\frac{12}{31}\frac{?}{22}$ :

$$1,000,000$

$$300,000$

$$200,000$

a$)10$ times

b$)5$ times

c$)4$ times

d$)3\mathrm{.}33$ times