Respuesta :

Answer:

18%

Explanation:

The computation of the average rate of return is shown below:

The average of annual income is

= $936,000 ÷ 8 years

= $117,000

And, the average investment is

= ($1,200,000 + $100,000) ÷ 2

= $650,000

Now the average rate of return is

= $117,000 ÷ $650,000

= 18%