1. When computing GDP, we make an adjustment whereby we add any increase in inventories to the value of goods and services sold. Why do we make this

1. When computing GDP, we make an adjustment whereby we add any increase in inventories to the value of goods and services sold. Why do we make this inventory adjustment?

2. Suppose you work for a national statistical agency and are asked to set up a program to collect data on and compute a consumer price index. How would you go about doing this?