Could you please show the formula and the steps to solve this problem.

You are graduating from college at the end of this semester and after reading the The Business of Life box in this chapter, you have decided to invest $4,000 at the end of each year into a Roth IRA for the next 43 years. If you earn 7 percent compounded annually on your investment, how much will you have when you retire in 47 years? $993,490 $991,106 $1,003,732