The ACME Suction Cup company has $4,500 of debt and $10,500 of common stock equity. The total value of the company is $15,000. The company's cost of...

The ACME Suction Cup company has $4,500 of debt and $10,500 of common stock equity. The total value of the company is $15,000. The company's cost of equity is 11.5%, the cost of debt is 5.9% and the relevant tax rate is 35%. What is ACME's debt-equity and WACC?

I got a debt-equity of 0.428571429 but don't understand how to find WACC.