Monthly inflation rate (basic percentage)
The Central Bank's Bulletin, on 07/12/2021, projected inflation for 2021 at 6.11%. If inflation in the months of January to June 2021 were:
What should be the average monthly inflation for the next 6 months, for the Bulletin projection to be correct?
A) 0,367% per month
B) 0,373% per month
C) 0,405% per month
D) 0,421% per month
I did solve this question, but couldn't figure it out as my answer is not exact. I would really really appreciate if you could explain to me how to solve the question, and include the answer