The U.S. Airfilter company 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: QUARTER 1 QUARTER 3 QUARTER 4 (JANUARY QUARTER 2 (JULY (OCTOBER THROUGH (APRIL THROUGH THROUGH THROUGH MARCH) JUNE) SEPTEMBER) DECEMBER) All amounts in millions of U.S. dollars Sales (total quarter): United states 324 738 470 Canada 150 108 158 97 Europe 65 42 25 Cost of goods sold (total quarter) 393 784 578 439 584 41 Raw materials at the Louisville plant (end-of-quarter) 89 46 83 66 Work-in-process and finished goods at the Louisville plant (end-of-quarter) 108 185 141 259 Distribution center inventory (end-of-quarter): United states Canada Europe 78 11 5 45 16 4 39 21 9 51 18 a. What is the average inventory turnover for the firm? (Round your answer to 3 decimal places.) Average inventory turnover 393 784 578 439 89 46 83 66 Cost of goods sold (total quarter) Raw materials at the Louisville plant (end-of-quarter) Work-in-process and finished goods at the Louisville plant (end-of-quarter) Distribution center inventory end-of-quarter): United states Canada Europe 108 185 141 259 70 11 5 45 16 4 39 21 9 51 18 6 a. What is the average inventory turnover for the firm? (Round your answer to 3 decimal places.) Average inventory turnover b. If you were given the assignment to increase inventory turnover, what would you focus on? Increase the amount of inventory or increase sales or both Reduce the amount of inventory or reduce sales or both Reduce the amount of inventory or increase sales or both 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? (Round your answer to 2 decimal places.) Weeks of raw material supply