Cornelius promises that he will give Tony breakfast every morning if Tony promises to come over every morning and walk Cornelius's dog. Tony agrees. Cornelius and Tony have a:

Cornelius promises that he will give Tony breakfast next Monday morning if Tony comes over next Monday morning and walks Cornelius's dog. Tony agrees. Cornelius and Tony have a:

Cornelius is going on vacation for a week and he hires Tony to come over every morning while Cornelius is gone and feed Cornelius's dog. Tony forgets to feed the dog and, by the time Cornelius returns from his vacation, the dog has starved to death. Cornelius is furious and threatens to sue Tony. Tony promises to pay Cornelius $5,000 if Cornelius promises not to sue Tony. Cornelius agrees. This agreement is:

Tony is an old man who has lived in the same house for forty years. Cornelius, an eighteen-year-old high school senior, and his family have lived next door to Tony since Cornelius was two years old. Tony has watched Cornelius grow up and, over the years, he has developed a special affection for Cornelius. Tony knows that Cornelius has been saving to buy a car and, a week before Cornelius graduates from high school, Tony promises Cornelius that he will give him $10,000 as a graduation present. A few days after graduation, Tony dies and his estate refuses to give Cornelius the $10,000 that Tony promised him. If Cornelius sues Tony's estate for the money, he will:

Tony is an old man who has lived in the same house for forty years. Cornelius, an eighteen-year-old high school senior, and his family have lived next door to Tony since Cornelius was two years old. Tony has watched Cornelius grow up and, over the years, he has developed a special affection for Cornelius. Tony knows that Cornelius has been saving to buy a car and, a week before Cornelius graduates from high school, Tony promises Cornelius that he will give him $10,000 as a graduation present. Immediately after Tony makes the promise, Cornelius, who already has $3,000 saved up, buys himself a new Toyota Matrix. A few days after graduation, Tony dies and his estate refuses to give Cornelius the $10,000 that Tony promised him. If Cornelius sues Tony's estate for the money, he will: