You estimate that your cattle farm will generate $0.50 million of profits on sales of $10 million under normal economic conditions and that the degree of operating leverage is 4. (Leave no cells blank - be certain to enter "0" wherever required. Do not round intermediate calculations. Enter your answers in millions.)

a. What will profits be if sales turn out to be $7.5 million?

b. What if they are $12.5 million?