It is the marginal revenue curve. Since a superbly focused firm faces a splendidly elastic demand curve to the market value, it can offer any amount it picks at this cost. This appears as the horizontal demand curve at the market price.Because all units delivered are sold at the market cost, the adjustment incomplete income that outcomes from a oneunit increment in the amount sold are equivalent to the cost. Hence, marginal revenue curve is the same as the company's request bend and plots as an even line at the market cost
The best answer is B) Scarcity
Scarcity refers to the fact that we do not have an unlimited amount of resources with which to obtain the things we want. In this case, students have various obligations and desires, such as working, relaxing, and doing homework, but a scarcity of time with which to do these things.

Option A is the correct answer
Answer:
Choosing the correct program, using college resources, attending your classes, and doing well in assignments and exams.