Joan, a contractor, has hired Devin to help paint a house under her care. They will be working in different locations, and Joan cannot monitor Devin 's performance. If Devin works hard, Joan earns profit of $1,000 and Devin makes $100. If Devin does not work hard and Tariq still pays a fixed wage, each makes $300. If Devin works hard and Joan pays him per room, she will earn $700 and Devin will make $200. Finally, if Devin does not work hard but Joan pays him per room, she makes $500 and he makes $150. Set up the game in extensive form and solve for the expected outcome of this principal-agent game.