Refer to Table $10-1,$ which is based on bonds paying $10$ percent interest for $20$ years. Assume interest rates in the market $($yield to maturity$)$ increase from $8$ to $10$ percent.

a$.$ What is the bond price at $8$ percent?

Bond price

b$.$ What is the bond price at $10$ percent?

Bond price

c$.$ What would be your percentage return on the investment if you bought when rates were $8$ percent and sold when rates were $10$ percent?

Note: Do not round intermediate calculations. Input your answer as a percent rounded to $2$ decimal places.

$\backslash$table$[[$Return on investment $,$

Table $10-1$ Bond price table

$\backslash$table$[[,$Interest Paymen,$2,0$ Years to Maturi,ty$),],[$Yield to Maturity,PV of Coupons,,PV of Principal,,Bond Price$],[2\%,$$$1,635\mathrm{.}14,+,$$$672\mathrm{.}97,=,$$$2,308\mathrm{.}11$