Mr Mensah starts a job with an annual salary of 6,400 which increases by 240 every year. After working for 8 years,Mr Mensah is promoted to a new post with an annual salary of 9500 which increases by 360 every year. Calculate:

1.)Mr Mensah salary in the fifteenth year of service;
2.)Mr Mensah's total earnings at the end of the fifteenth year of service.

1.) Mr Mensah's salary in the fifteenth year of service is 11,640.

2.) Mr Mensah's total earnings at the end of the fifteenth year of service is 173,400.