Investment $x$ offers to pay you $$4,700$ per year for eight years, whereas Investment $Y$ offers to pay you $$6,800$ per year for five years.

Use Appendix D$.($Round $"$PV Factor" to $3$ decimal places. Round the final answers to $2$ decimal places.$)$

Calculate the present value for Investment $x$ and $Y$ if the discount rate is $5\%.$

Calculate the present value for Investment $x$ and $Y$ if the discount rate is $15\%.$