Answer: 12.68%
Explanation:
The Effective Annual Interest rate is the nominal interest rate adjusted for the number of compounding periods a financial product will experience in a period of time which is usually a year.
The formula is,
Effective annual interest rate = (1 + (nominal rate / number of compounding periods)) ^ (number of compounding periods) - 1
Plugging in the figures would give,
EAR = (1 + 0.01) ^ 12 - 1
EAR = 1.01^12 - 1
EAR = 12.68%
You might notice that in the bracket I did not divide the 1% by 12. This is because the 1% was already given as the month's interest rate.
