Josie has just become eligible to participate in her companys retirement plan; she is excited as her company matches her contributions dollar for dollar in this plan. The plan averages an annual return of 7% interest compounded monthly. Josie is 35 years old and plans to retire at age 65. She receives her pay at the beginning of each month and contributes 10% of her gross monthly salary of $2,500 into her retirement plan. What is the total amount that she will have when she retires?

a) $613,544

b) $306,772

c) $609,986

d) $304,993

e) $622,765