Aril and Dita are wealthy Norwegian business owners who make monthly donations to international disas

relief,

• Aril donated 150 Norwegian Kroners (kr) the first month, and the cumulative number of Norwegian

kroners she has donated increases by a factor of 2.5 each month.

Dita donated 300 kr the first month, and the cumulative number of Norwegian kroners she has donated

increases by 400 kr each month

They started making donations at the same time, and they both make their monthly donations at the beginnir

of each month

What is the first month in which Aril's cumulative donation exceeds Dita's cumulative donation?