You estimate that your cattle farm will generate $0.30 million of profits on sales of $6 million under normal economic conditions and that the degree of operating leverage is 4 . a. What will profits be if sales turn out to be $4.5 million? Note: Leave no cells blank - be certain to enter "0" wherever required. Do not round intermediate calculations. Enter your answers in millions. b. What will profits be if sales turn out to be $7.5 million? Note: Do not round intermediate calculations. Enter your answers in millions rounded to 1 decimal place