Use the following information to answer this question. Thomas Company 2017 Income Statement ($ in millions)

Net sales $ 9,530

Cost of goods sold 7,760

Depreciation 465

Earnings before interest and taxes $ 1,305

Interest paid 104

Taxable income $ 1,201

Taxes 420

Net income $ 781

Thomas Company 2016 and 2017 Balance Sheets ($ in millions)

	2016	2017
Cash	$230	$260
Accounts rec.	1000	900
Inventory	1,810	1,695
Total	$3,040	$2,855
Net fixed assets	3,410	3,970
Total assets	$6,450	$6,825
Accounts payable	$1,370	$1,385
Long-term debt	1,100	1,300
Common stock	3,340	3,250
Retained earnings	640	890
Total liab. & equity	$6,450	$6,825

What is the average collection period for 2017?

a)38.24

b)50.06

c)34.47

d)45.85

e)28.76