Using the Producers Price Index $($PPI$)$ Report issued by US Bureau of Labor Statistics is:

Group of answer choices

The basis for the Supplier Performance $($SPI$)$ Index

A way to assess if you are buying better or worse than the marketplace for unique buys

Always less than $1\mathrm{.}0$

The index that goes into the PMI Report

A way to assess if you are buying better or worse than the marketplace for commodity$-$type items