Aril and Dita are wealthy Norwegian business owners who make monthly donations to international disaster relief. Aril donated 150150150 Norwegian kroners (\text{kr})(kr)left parenthesis, start text, k, r, end text, right parenthesis the first month, and the cumulative number of Norwegian kroners she has donated increases by a factor of 2.52.52, point, 5 each month. Dita donated 300\,\text{kr}300kr300, start text, k, r, end text the first month, and the cumulative number of Norwegian kroners she has donated increases by 400\,\text{kr}400kr400, start text, k, r, end text each month. They started making donations at the same time, and they both make their monthly donations at the beginning of each month.