an investment offers $7,100 per year, with the first payment occurring one year from now. the required return is 7 percent. a.what would the value be today if the payments occurred for 20 years? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)b.what would the value be today if the payments occurred for 45 years? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)c.what would the value be today if the payments occurred for 70 years? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)d.what would the value be today if the payments occurred forever?