Butterfly Tractors had $20.50 million in sales last year. Cost of goods sold was $9.30 million, depreciation expense was $3.30 million, interest payment on outstanding debt was $2.30 million, and the firm's tax rate was 21%. a. What was the firm's net income? (Enter your answers in millions rounded to 2 decimal places.) b. What was the firm's cash flow? (Enter your answers in millions rounded to 2 decimal places.) c. What would happen to net income and cash flow if depreciation were increased by $2.30 million? (Enter your numeric answers in millions rounded to 2 decimal places. Select "unaffected" if the results do not affect the balance.) f. What would be the impact on cash flow if depreciation was $2.30 million and interest expense was $3.30 million? (Enter your numeric answer in millions rounded to 2 decimal places. Select "unaffected" if the results do not affect the balance.)