Consider the following situations and indicate whether consideration is present and whether Jack has an enforceable agreement:
a) Jane is going overseas and she offers to give her Lotus Super 7 sports car to Jack. The market value for this type of vehicle in good condition is around $25 000. Jack accepts.
b) Jane offers to sell Jack her Lotus Super 7 sports car for $25 000. The market value for this type of vehicle in good condition is around $25 000. Jack accepts.
c) Jane offers to sell Jack her Lotus Super 7 sports car for $2500. The market value for this type of vehicle in good condition is around $25 000. Jack accepts.