Answer: 6.9%
Step-by-step explanation:
The average return of Property A will be calculated by adding all the returns for each year and then divided by the total number of years which is 10. This .
will be:
= (11% + 12% - 5% -2% + 1% +10% + 8% + 10% + 12% + 12%) / 10
= 69% / 10
= 6.9%