A restaurant sells hot wings. A consumers demand for hotwings can be shown as:

Number of hot wing servings and the willingness to pay for hotwings (each serving)

1 $10

2 $8

3 $6

4 $4

5 $2

6 $0

a. If the price of an additional serving of hotwings is $6, how many servings will be purchased? How much consumer surplus does will you receive?

Consumer Surplus with a price of $6 |

*The information from the table tells us that we have a downward sloping demand curve that intersects the price axis at a price of $12, and the quantity axis at a quantity of 6. If we assume a price of $6 as in (a) then we will get a quantity o*

*f 3. Consumer surplus can be calculated by looking that the triangle that is below the demand curve but above the price. For (a) the triangle will have a height of 6, and a base of 3. Multiplying base times height and dividing by two gives us $9. You will receive consumer surplus equal to $9 with this demand curve and a price of $6.*

b. Imagine the price of a serving of hotwings is $8. By how much does your consumer surplus decrease compared to the previous week?

Consumer Surplus with a price of $8 |

*If the price goes up to $8 per serving, then we use the same process but have a smaller triangle. In this scenario, the height of the consumer surplus triangle will be $4, and the base 2. This gives us an area of $4, so your consumer surplus would be equal to $4.*

c. One week later, you return to the restaurant again. You discover that the restaurant is offering an “all-you-can-eat” special for $24. How many hotwings will you eat now and how much consumer surplus do you receive now?

Consumer Surplus with all you can eat. |

*In this scenario, you pay $24 for all you can eat hotwings. Since the marginal cost of each additional hotwing is 0, the price of hotwings is effectively zero. However, you have to pay $24 to get the marginal price to be 0. If the marginal price is 0, you will consume six servings. The height of the triangle is $12, and the base is 6. The area will be the entire triangle underneath the demand curve. This comes out to 12*6/2 or 36. Your consumer surplus in this situation would be $36.However, since you had to pay $24 to get this deal, your net consumer surplus would be that area minus $24, and $36-$24=$12*

d. Suppose you own the restaurant and your demand curve represents a “typical” customer. What is the highest price you can charge for the “all-you-can-eat” special and still attract customers?

*Finally, we can answer (d) using information from (c). If your consumer surplus is $36, the maximum you would be able to charge and still have them take the deal is $36. However, at this price people would be indifferent between doing the deal or not, so it would make more sense to charge $35.99 in order to ensure they take the deal (and have positive consumer surplus).*

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