ouiances are QUESTION 4 All public service are aimed at satisfying the needs of society. In this regard, it is important to determine how well or badly the public sector is performing these services to ensure the "good' life to the citizens. To determine how 'well' and 'badly' the services are delivered implies that the government needs to evaluate whether the aim was achieved (effective) the resources used from the services are reflected in the results (efficiency) and the desired quality of the service was provided in the least expensive way possible(economy). With the above in mind, write explanatory notes on the concepts, effectiveness, efficiency and the economy. [25]