accounts receivable: $$500,000$

average inventory: $$1,000,000$

cost of goods sold: $$3,500,000$

revenue: $$4,000,000$

the total inventory turnover turns out to be:

please pick from an answer below;

a$)6\mathrm{.}5$

b$)3\mathrm{.}5$

c$)4\mathrm{.}5$

d$)5$