Suzie owns and runs a successful fashion store called "Fashion House". Every evening, Suzie takes the money out of the cash register and transfers it to her safe. On one evening, two armed men come into the store as Suzie is transferring the money and steal $5000 in cash from the register. Suzie calls the police after the thieves have left her store. Policeman Harold comes to the shop to get a statement from her about what happened. Suzie tells Harold that if he finds the thieves, she'll give him $500. Two days later, Harold identifies and arrests the armed thieves, but Suzie refuses to pay him the money.
Is the agreement between Suzie and Harold legally binding? Use principles of consideration to answer this question. Note: No research is required for this scenario. You may rely on the course materials to answer this question.