Using the information below, calculate net debt. Do not include pension and post retirement liabilities.

a) 13,764.0

b) 13,539.0

c) 16,700.0

d) 15,069.0

*Please provide explanation.

$ 1,631 3,802 ASSETS Cash and cash equivalents Trade receivables (net of allowances of $66 at December 31, 2014 and $86 at December 31, 2013) Other receivables (net of allowances of $91 at December 31, 2014 and $73 at December 31, 2013) Inventories, net Deferred income taxes Other current assets Total current assets 949 3,480 480 1,408 11,750 Property, plant and equipment, net Goodwill Intangible assets, net Prepaid pension assets Other assets TOTAL ASSETS 9,827 23,389 20,335 53 1,461 66,815 $ $ LIABILITIES Short-term borrowings Current portion of long-term debt Accounts payable Accrued marketing Accrued employment costs Other current liabilities Total current liabilities Long-term debt Deferred income taxes Accrued pension costs Accrued postretirement health care costs Other liabilities TOTAL LIABILITIES 1,305 1,530 5,299 2,047 946 2,880 14,007 13,865 5,512 2,912 526 2,140 38,962