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:

	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	414	402	520	514
Canada	135	96	126	117
Europe	41	34	42	25
Cost of goods sold (total quarter)	384	347	453	434
Raw materials at the Louisville plant (end-of-quarter)	73	62	67	72
Work-in-process and finished goods at the Louisville plant (end-of quarter)	109	159	124	222
Distribution center inventory (end-of-quarter):
United states	58	31	34	38
Canada	17	19	22	20
Europe	6	4	9	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?

multiple choice

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 $561.8M 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.)