Jon Works for a Major Bank

Jon works for a major bank.The revised employee handbook that he received five years ago says that all employees with 25 years of service will receive a retirement party.He is about to hit 25 years of service and has announced his retirement.His manager tells him that the company,based on his years of service,will throw him a party and present him with a gold watch.Jon retires on his 25^th anniversary and his manager announces that the company will not throw the party or give him the watch.

A) because of past consideration, no party or watch is owed
B) the company is required to throw the party but no watch is owed
C) the company is required to present him with the watch but no party is owed
D) the company is required to present him with the watch and throw him the party