What is Vista Inc.$\text{'}$s weighted average cost of capital $($WACC$)$ assuming the following information?

Cost of equity $=13\%$

Yield to Maturity on the company's bonds $=5\%$

Coupon Rate on the company's bonds $=4\%$

$\%$ of company financed by equity $=70\%$

$\%$ of company financed by debt $=30\%$

Tax rate $=25\%$