could you help me with this please:

Cassandra is retiring December 31, 2023, after many, happy years of employment with Canadian National Railway Company (CN). She is fortunate to be part of a Defined Benefit Pension Plan (DBPP. Her pension was applicable from the first day of her employment and is based on years of service and average earnings over the last five years.

a) Calculate Cassandra's annual pension from the DBPP and show the formula calculation:

Cassandra is retiring December 31,2023 , after many, happy years of employment with Canadian National Railway Company (CN). She is fortunate to be part of a Defined Benefit Pension Plan (DBPP). Her pension was applicable from the first day of her employment and is based on years of service and average earnings over the last five years. a) Calculate Cassandra's annual pension from the DBPP and show the formula calculation