Answer:
The interest rate is 6%
Explanation:
The computation of the interest rate is shown below:
Interest rate is
= Interest paid for the first year ÷ Sale price of the property
where,
Interest paid for the first year is $12,600
And, the sale price of the property is $210,000
Now place the values to the above formula
So, the interest rate is
= $12,600 ÷ $210,000
= 6%
Hence, the interest rate is 6%