Of this, 70 percent was divided among the farmers at US$0.75 per kilogram provided, an amount more than three times that paid to other coffee growers in Rwanda and sufficient to pay for health care and education services which were not previously affordable.[13] The remaining 30 percent was invested back into the cooperative and spent on buying calcium carbonate,[4] an agricultural lime used to reduce acidity in the soil caused by run off of minerals during rainfall.[14]