Mary Jane Is Willing to Babysit for $6 an Hour

Mary Jane is willing to babysit for $6 an hour. Her neighbor has asked her to babysit for $8 an hour. Assuming Mary Jane accepts the offer:

A) her consumer surplus will be $2 per hour.
B) her economic rent will be $2 per hour.
C) her economic profit will be $8 per hour.
D) her accounting profit will be $8 per hour, and her economic profit will be $0 per hour.