6. Firm A has 10,000 in assets entirely financed with equity. Firm B also has 10,000 in assets, but these assets are financed by $5,000 in debt (with a 10 percent rate of interest) and $5,000 in equity. Both firms sell 10,000 units of output at $2.50 per unit. The variable costs of production are $1, and fixed production costs are $12.000. What is the operating income (EBIT) for both firms What are the earrings after interest