Problem $16-17($Algo$)$

The U$.$S$.$ Airfilter company has hired you as a supply chain consultant. The company makes air filters for residential heating and airconditioning 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:

$\backslash$table$[[,\backslash$table$[[$QUARTER $1],[($JANUARY$],[$THROUGH$],[$MARCH$)]],\backslash$table$[[$QUARTER $2],[($APRIL THROUGH$],[$JUNE$)]],\backslash$table$[[$QUARTER $3],[($JULY$],[$THROUGH$],[$SEPTEMBER$]],\backslash$table$[[$QUARTER $4],[($OCTOBER$],[$THROUGH$],[$DECEMBER$]]],[,$All,mounts in millio,s of U$.$S$.$ d$,$lars$],[$Sales $($total quarter$)$:$],[$United states,$582,476,700,440],[$Canada$,112,71,97,101],[$Europe$,74,43,42,18],[$Cost of goods sold $($total quarter$),570,429,633,381],[\backslash$table$[[$Raw materials at the Louisville plant$],[($end$-$of$-$quarter$)]],96,50,79,76],[\backslash$table$[[$Work$-$in$-$process and finished goods at$],[$the Louisville plant $($end$-$of$-$quarter$)]],191,176,148,191],[\backslash$table$[[$Distribution center inventory$],[($end$-$of$-$quarter$)$:$]]],[$United states,$59,54,50,60],[$Canada$,17,13,25,20],[$Europe$,6,6,13,6]]$

a$.$ What is the average inventory turnover for the firm? $($Round your answer to $3$ decimal places.$)$

Average inventory turnover