help INTEREST RATES QU

[mathsem]

£20000 is invested in an account that pays interest at 2.4% per annum. The interest is added at the end of each year.
What % interest should be added each month if interest is to be accrued monthly?

 

[Harry_the_cat]

To reach the same final amount??

 

[Denis]

If same final amount:
monthly rate = 1.024^(1/12) - 1 = ?