This Figure Shows the Payoffs Involved When Sarah and Joe

Multiple Choice

This figure shows the payoffs involved when Sarah and Joe work on a school project together for a single grade.They both will enjoy a higher grade when more effort is put into the project,but they also get pleasure from goofing off and not working on the project.The payoffs can be thought of as the utility each would get from the effort they individually put forth and the grade they jointly receive.
The outcome of the game in the figure shown will be:

A) Joe puts forth high effort and Sarah puts forth low effort.
B) Joe puts forth low effort and Sarah puts forth high effort.
C) Joe and Sarah both put forth low effort.
D) Joe and Sarah both put forth high effort.