Butterfly Tractors had $22.50 million in sales last year. Cost of goods sold was $9.70 milion depreciation expense was $3.70 million, interest payment on outstanding debt was 2.70million, and the firm's tax rate was 30%. a. What was the firm's net income? (Enter your answers in millions rounded to 2 decimal places.) Net income million b. What was the firm's cash flow? (Enter your answers in millions rounded to 2 decimal places.) Net cash flow million c. What would happen to net income and cash flow if depreciation were increased by $2.70 million? (Enter your numeric answers in millions rounded to 2 decimal places. Select "unaffected" if the results do not affect the balance.) Net income would be by by million million Cash flow would be $2.70 million and interest in millions rounded to 2 f. What would be the impact on cash flow if depreciation was expense was $3.70 million? (Enter your numeric answer afect the balance.) decimal places. Select "unaffected" if the results do