6) Butterfly Tractors had $14 million in sales last year. Cost of goods sold was $8 million, depreciation expense was $2 million, interest payment on outstanding debt was $1 million, and the firm's tax rate was 35%. (3 pts) a) What were the firm's net income and net cash flow? b) What would be the impact on cash if the depreciation was $1 million and interest payment was $2 million