Table 93 Julie Plans to Start a Pet-Sitting Service

Multiple Choice

Table 9.3 Julie plans to start a pet-sitting service.She surveyed her neighbourhood to determine the demand for this service.Assume that each person surveyed demands only one hour of pet sitting services per period.Table 9.3 above shows a portion of her survey results.
-Refer to Table 9.3.Suppose Julie's marginal cost of providing this service is constant at $7 and she charges each customer according to his or her willingness to pay instead of a uniform price of $7.Which of the following statements is true?

A) Julie is worse off because the demand for her services is reduced.
B) Julie has converted the consumer surplus (from a uniform price) into economic profit.
C) Julie's customers are better off because their consumer surplus has increased.
D) Julie's has converted the producer surplus (from a uniform price) into consumer surplus.