Number of Uses Total Utility Marginal Utility

1 30 ?

2 55 ?

3 77 ?

4 95 ?

5 110 ?

6 120 ?

7 127 ?

8 130 ?

9 131 ?

10 126 ?

i. Calculate MU and draw MU curve. [3]

ii. Identify when MU is zero and negative. [1]

iii. Based on above table, in which level of consumption MU and total

utility will be equal? Explain graphically. [2]

b) Can two persons from same economic background enjoy equal amount of utility from specific

consumption of a particular goods? Can you think of some of your own examples to justify

your answer? [4]