How many units of a commodity …

Marginal utility = price of the comidity Example_ The price of banana is Rs 2/banana. No. Of bananas Total utility. Marginal utility 1. 5. 5 2. 9.5. 4.5 3. 13.5. 4 4. 17. 3.5 5. 20. 3 6. 22.5. 2.5 7. 24.5. 2 8. 26. 1.5 Then consumer will buy 7 bananas because Mux = Px= 2

A consumer gets more satisfaction on equilibrium point he wants that the goods give them same level of satisfaction