You just started a full-time job today and received information on the firms retirement savings program. Your employer will match all your contributions on a one-to-one basis, and you expect an average annual return of 6%. You decided to make a monthly contribution to your retirement account of $315 at the beginning of each month starting today. How much will you have in 40 years?

A: $1,260,912

B: $1,254,639

C: $1,170,000

D: $1,240,200