Ruby is expecting her first child next month and would like to have $,$ not including any grant,$$saved for university education when the child turns $17.$ If Ruby can get a $6\mathrm{.}6$ percent annual return on the education savings for her child, how much does she need to start saving each month once the baby is born? Assume she is not eligible for the CESG.

a$.$ $$224$

b$.$ $$218$

c$.$ $$2688$

d$.$ $$392$