Aril and Dita are wealthy Norwegian business owners who make monthly donations to international disaster relief.
Aril donated

Norwegian kroner

the first month, and the cumulative number of Norwegian kroner she has donated increases by a factor of

each month.
Dita donated

the first month, and the cumulative number of Norwegian kroner she has donated increases by

each month.
They started making donations at the same time, and they both make their monthly donations at the beginning of each month.
What is the first month in which Aril's cumulative donation exceeds Dita's cumulative donation?