I keep trying this and i simply cannot undersand. Can someone show me how to do this problem?

X Your answer is incorrect. Amy Medavoy will invest $ 8,450 a year for 15 years in a fund that will earn 10% annual interest. Click here to view factor tables If the first payment into the fund occurs today, what amount will be in the fund in 15 years? If the first payment occurs at year-end, what amount will be in the fund in 15 years? (Round factor values to 5 decimal places, e.g. 1.25124 and final answers to 0 decimal places, e.g. 458,581.) First payment today 2.953 First payment at year-end 2,685