Butterfly Tractors had $$21\mathrm{.}00$ million in sales last year. Cost of goods sold was $$9\mathrm{.}40$ million, depreciation expense was $$3\mathrm{.}40$ million, interest payment on outstanding debt was $$2\mathrm{.}40$ million, and the firm's tax rate was $21\%.$

a$.$ What was the firm's net income?

Note: Enter your answer in millions rounded to $2$ decimal places.

b$.$ What was the firm's cash flow?

Note: Enter your answer in millions rounded to $2$ decimal places.

c$.$ What would happen to net income and cash flow if depreciation were increased by $$2\mathrm{.}40$ million?

Note: Enter your numeric answers in millions rounded to $2$ decimal places. Select "unaffected" if the results do not affect the balance.

d$.$ Would you expect the change in depreciation to have a positive or negative impact on the firm's stock price?

e$.$ What would be the impact on net income if depreciation was $$2\mathrm{.}40$ million and interest expense was $$3\mathrm{.}40$ million?

f$.$ What would be the impact on cash flow if depreciation was $$2\mathrm{.}40$ million and interest expense was $$3\mathrm{.}40$ million?

Note: Enter your numeric answer in millions rounded to $2$ decimal places. Select "unaffected" if the results do not affect the balance.

$\backslash$table$[[$a$.$ Net income,million$],[$b$.$ Net cash flow,million$],[$c$.$ Net income would be$,$by$,$million$],[$c$.$ Cash flow would be$,$by$,$million$],[$d$.$ Impact on stock price,,$],[$e$.$ Impact on net income,,$],[$f$.$ Cash flow would be$,$by$,$million$]]$