A project currently generates sales of $7 million, variable costs equal to 31% of sales, and fixed costs of $2.9 million. The firm's tax rate is 35%. What are the effects of the following changes on after-tax profits and cash flows? a. Sales increase from $7 million to $8 million. (Round your answers to 3 decimal places. Enter your answers in millions of dollars.) by After-tax profits After-tax cash flow million million. by b. Variable costs increase to 44% of sales. (Round your answers to 3 decimal places. Enter your answers in millions of dollars.) by After-tax profits After-tax cash flow million. million. by