Mark has complained to the local police about the car thefts in his neighborhood. However, the police have taken little interest to curb the car thefts, much to Mark's disappointment. Determined to resolve the problem, Mark invites a local cop, Paul, to his son's graduation party and offers Paul free weekend dinners at Mark's family restaurant if the Paul promises to look into the car thefts. Discuss the nature of consideration and contract in this case.