Please show all formulas and work assosiated

Problem $3)(12$ points$)$

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:

a$)$ What is the average inventory turnover $($quarterly and yearly$)$ for the firm? $(10$ points$)$

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

Why? $(2$ points$)$