What does Shelley need to save monthly to make sure she is on track to reach her retirement goal of having $$440,000$ saved by the time she reaches age $65?$ She is $48$ years old, has been contributing $$400$ per month and has $$180,000$ in her RRSP$.$ Assume she will make an annual return of seven percent.

Question $12$Select one:

a$.$

$$1275$

b$.$

$$336$

c$.$

$$681$

d$.$

$$1133$