will upvote. Fin question.

A firm's assets are financed 35% with Debt. The cost of debt is 5% and the cost of equity is 12%. Considering that tax rates are 30% ..... What is the weighted Average Cost of Capital (WACC) of this firm? Type your answer as percentage and not as decimal (i.e. 5.2 and not 0.052). Round to the nearest two decimals if needed. Do not type the % symbol