Total utility has the following three stages:
(i) First Stage : In this stage, as unit consumption of goods increase, the total utility also increases.
(ii) Second stage : In this stage, the progress of total utility stops and this situation is called Point of Satisfy action.
(iii) Third Stage : In this stage, the total utility reduces and this situation is called Diminishing of Total Utility. These stages can be clarified by the given schedule: