FV of a $1 million investment made today

1.     What is the FV of a $1 million investment made today ten years from now with an anticipated 15% annual ROE?

2.     What is the present value of a lump sum $300,000 inheritance received 40 years from now assuming a 2% inflation rate?

3.     If an investment is made today of $400,000 at a guaranteed rate of 5%, how many years will it need to be invested to realize a FV of $1,000,000?

4.     Assume that your $250,000 investment made today will realize you $2,500,000 in 20 years in the future. What was your annual ROE?