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 (JANUARY THROUGH MARCH)	QUARTER 2 (APRIL THROUGH JUNE)	QUARTER 3 (JULY THROUGH SEPTEMBER)	QUARTER 4 (OCTOBER THROUGH DECEMBER)
	All amounts in millions of U.S. dollars
Sales (total quarter):
United states	356	532	552	436
Canada	130	127	116	151
Europe	42	34	49	24
Cost of goods sold (total quarter)	338	445	465	398
Raw materials at the Louisville plant (end-of-quarter)	93	49	79	89
Work-in-process and finished goods at the Louisville plant (end-of-quarter)	194	175	127	176
Distribution center inventory (end-of-quarter):
United states	38	46	30	40
Canada	14	20	21	19
Europe	6	7	11	6

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

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.)