Based on the data for Collins Group $($Blackboard download$),$ which of the following statements is most correct?

If the firm issues preferred stock that has a required return of $6\mathrm{.}5\%,$ it is likely that its WACC will drop

If the firm issues preferred stock that has a required return of $6\mathrm{.}5\%,$ it is likely that its WACC will rise$$

The firm$$s WACC will rise if its total shareholders$$ equity on the balance sheet rises

The firm$$s WACC will rise if it repurchases stocks from the market $($assuming no impact on stock prices$)$

The firm$$s debt ratio $($debt$/$asset$)$ will rise if it uses market instead of book values for both debt and equity