12. What is the nominal annual rate of interest compounded semi-annually if deposits of ​$225 made each month for 4.0 years accumulate to ​$ 12,200​? The nominal annual rate of interest is ​%...

12.

What is the nominal annual rate of interest compounded semi-annually if deposits of ​$225 made each month for 4.0 years accumulate to ​$

12,200​?

The nominal annual rate of interest is ​% compounded semi-annually.

​(Round to two decimal places as​ needed