My financial year starts in Oct (Period 1) and ends in Sept (Period 12)
I have the month and year in A2. The current financial month in A2 is June 2017 (I use dd/mm/yyyy date formatting)
I tried to use
=CHOOSE(MONTH(A2),10,11,12,1,2,3,4,5,6,7,8,9)
However it returns 3 and should return...