need help

Exercise 1 Let's assume that the revenue per ride on Uber is $10. Further, we will assume that the only cost that Uber incurs is the cost of paying the drivers, which is $7. Margin revenue- costs. What is the margin? Exercise 2 Now, we know there are other costs, such as overhead (administrative / office staff salaries, advertising, headquarters facilities). Let's assume that .staff salaries are $2 per ride: advertising costs are $1 per ride, and headquarters space rental costs are $1 per ride What is our margin? [per ride)