| Good X (Units) |
Good Y (Units) |
| 0 |
8 |
| 1 |
6 |
| 2 |
4 |
| 3 |
2 |
| 4 |
0 |
When we draw the data given in the table, we find, that when we increase X by one unit we have to sacrifice 2 units of Y. This shows that where Marginal Opportunity Cost or MRS is constant, PPC will be a straight line sloping downwards.
