A man expects to invest $1,000 in common stock this year, and $1,100 next year and to

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A man expects to invest $1,000 in common stock this year, and $1,100 next year and to continue making each year’s investment $100 greater than the previous year, for 20 years. If he earns 10% ROR on his investments, what is the F in 20 years, assuming end-of-year investments? USE Arithmetic Gradient