An investment offers $$6,800$ per year, with the first payment occurring one year from now. The required return is $7$ percent. What is the value of the investment?

What would the value be if the payments occurred for $20$ years?

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

What would the value be if the payments occurred for $45$ years?

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

What would the value be if the payments occurred for $70$ years?

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

What would the value be if the payments occurred forever?

Note: Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$