The different definitions of adequacy contained in these four types of problems point to the complexity of relationships between costs and effectiveness. “To answer this question, we must look at the relationship between costs and effectiveness, rather than view costs and effectiveness separately” (Dunn 2012, pp. 199). (a) Maximize effectiveness at the least cost is preferable using program I for this program. This is because the program is equal – effectiveness. Cost and effectiveness are not free to varies, and the ratio of effectiveness to cost is lowest at the balance point. (b) Maximize effectiveness at a fixed cost of $10,000 is preferable using the program II for this criteria. This is because it achieves the higher level of effectiveness while remaining within the fixed cost limitation.