Answer:
the price index is 114.29%
Step-by-step explanation:
The computation of the price index is shown below;
= Market basket of goods and services cost in the year 2005 ÷ Market basket of goods and services cost in the year 2005
= $160 ÷ $140
= 114.29%
Hence, the price index is 114.29%
Basically we simply applied the above formula