Bookworks Publishing reported the following results for its Textbook Division:

Sales

Operating income

Total assets

$$4,800,000$

$$720,000$

$$4,000,000$

$$940,000$

Current liabilities

$$940,000$

Bookworks' target rate of return is $16\%$ and the weighted average cost of capital is $11\%.$ Its effective tax rate is $40\%.$ What is the Textbook Division's capital turnover?

A$.1\mathrm{.}2$

B$.5\mathrm{.}1$

C$.5\mathrm{.}6$

D$.6\mathrm{.}7$