Answer:
CPI= 136.11
Step-by-step explanation:
The price index is gotten by the following;
Consumer price index divided by price of basket current year price of basket base year and multiply by 100
We have as
For year 2015
3units pork x $20 + 4 units corn x $12
= $108
For for the year 2016
= 3units pork x $25 + 4 units corn x $18
= $147
CPI = $147/$108 x 100
CPI = 1.3611 × 100
CPI= 136.11
Our consumer price index is 136.11