You plan on working for the next $40$ years and don$$t think Social Security will be there. If you think you$$ll need $$2,250,000$ when you retire to fund your lifestyle, how much do you need to invest monthly at $6\%$ to meet your goal?

a$.$ $$544$

b$.$ Forget it$,$ there$$s no way.

c$.$ $$1,129\mathrm{.}81$

d$.$ $$1,381$