The total market value of General Motors​ (GM) is​ $10 billion. GM has a market value of $7 billion of equity and a face value of $12 billion of debt. What are the weights in equity and debt that are used for calculating the​ WACC? A. 0.7​, 0.3 B. 0.3​, 0.7 C. 0.35​, 0.65 D. cannot be determined