Larraine is the only jembe drum producer in Caltouse. She can sell a single drum for $80 but must drop her price by $5 for every extra drum she wants to sell. Her total fixed costs are $60 and the variable cost of the first drum produced is $36. For each drum thereafter, the variable costs drop by $4 up to and including the fourth drum. After that, the cost of each additional drum increases by $4.
a) Draw the AR, MR, AC, and MC curves on the figure below. 
b) Assuming she cannot sell partial units, what are Larraine's profit-maximizing output and price, and what is her total profit?
Definitions:
Increasing
A process or trend characterized by a gradual rise or growth in quantity, size, intensity, or degree.
McDonaldization
A term that describes the process by which the principles of the fast-food industry, such as efficiency, predictability, and standardization, have come to dominate other sectors of society.
Rationalization
Rationalization is the application of the most efficient means to achieve given goals and the unintended, negative consequences of doing so.
Fast-Food Restaurants
Eateries that offer quick service, convenience, and food that is prepared in bulk in advance and kept hot or reheated to order.
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