please do part e and f

b. C. d. e. f. The Duff Brewery sells its beer for $12 per case. Give an equation for the revenue function and graph the revenue function above. Label your graphs. Show profit, loss and break-even. Calculate the break-even point. Calculate the profit or loss if 4250 cases are sold. The Duff wants to make a profit of $75,000 this month. How many cases must they sell? 4. The Duff Brewery has fixed costs of $30,000 per month. Each case of beer costs $4.50 to make Write an equation giving total costs as a function of the number of cases of beer made. Graph the function below: a Part e and f please