U$.$S$.$ Airfilter has hired you as a supply chain consultant. The company makes air filters for residential heating and air$-$conditioning systems. These filters are made in a single plant located in Louisville, Kentucky, in the United States. They are distributed to

retailers through wholesale centers in $100$ locations in the United States, Canada, and

Europe. You have collected the following data relating to the value of inventory in the

U$.$S$.$ Airfilter supply chain:

All amounts in millions of U$.$S$.$ dollars.

a$.$ What is the average inventory turnover for the firm?

b$.$ If you were given the assignment to increase inventory turnover, what would you focus

on$?$ Why?

c$.$ The company reported that it used $$500M$ worth of raw material during the year. On

average, how many weeks of supply of raw material are on hand at the factory?