This study aims to examine the model's self-activity into the relationship between costs and income that will be received as a result of demonstration activities. The relationship between costs and revenues that the model has unconsciously consists of material and non-material, in which the model itself calculates what costs must be incurred. This research method is a qualitative research that uses a case study approach. The results of this study reveal that there is accounting in the model's self-activity in the form of calculating costs that must be incurred when signing a cooperation contract. The costs incurred are not only material but also non-material (worries, time, time, and forcing self-character). The income received is not only material income but non-material income (social ties, trust, happiness).