Need Help, Thank you

You contribute $100 per month to a retirement plan for 15 years and earn 6.75% annually. You then contribute $200 per month to the retirement plan for the next 10 years and earn a return on all funds (including retirement balance at year 10) of 10.50% annually. How much will be in the retirement plan after 25 years of investing? Multiple Choice $31,016 $161,410 $87,446 $130,393