Lewis is looking forward to meeting his financial goals as shown below.

Saving details:

From now until the next ten years: Save $$2,100$ per month

Interest earned: i$)11\%($EAR$),$ from now until his retirement and ii$)8\%($EAR$),$ after

retirement

Calculate how much Lewis will need to save every single month from years $11$ through $30$ in

order to achieve his financial goals. Assume that all dollar amounts are to be paid at the "end of

the year."