You bought one of lambert sandblasting company's 15-year bonds one year ago for $960. these bonds pay 7 percent annually, have a face value of $1,000, and mature 14 years from now. suppose you decide to sell your bond today when the required return on the bonds is 8 percent. the inflation rate over the past year was 2.7 percent. what was your total real return on this investment?

Real return on investment: 22.9465%

Explanation:

Okay let's explain each concept we have given:

Face Value                                         $1,000

This is the ammount Lambert will pay at maturity

Purchase Value                                   $  960

This is the Ammount we pay for the bond

Market Value of the bond today         $   ???

This is what we need to determinate to see the return we got

Once we got the market Value we will do:

Market Value / Purchase Value   - 1 = rate of return

Now the market value today will be the present value of the bond, and the bond has the following data:

So each year we receive the 7% of the face value ($1,000) = $70

And at the end of the bond life we receive 1,000

We need to bring this numbers at present day using the real market rate, because the economy is having inflation:

market rate  8%

inflation rate 2.7%

real rate:  

(1+rate)/(1+inflation) -1 = real rate

real rate = 5.16%

To know the present value of the bond we will have to consider:

The annuity will be

$685,87

The present value of the 1,000 will be  

face value/(1+rate)^time

1,000/(1+0.0516)^14 = $494,42

for a total of $1.180,29

Now we will calculate the real return on the investment:

we receive 1.180,29 for 960 so the rate is

1.180,29 /960 - 1 = 0.229465 =  22.9465%