Lowes Companies, Inc (LOW) and its subsidiaries operate as a home imporvement retailer in the US and Canada. As of February 1, 2008, it operated 1,534 stores in 50 states and Canada. The companys balance sheet for February 1, 2008 is:

In Thousands of Dollars	Financial Structure
Liabilities
Current liabilities
Accounts payable	$4,137,000
Short/current debt	$1,104,000
Other current liabilities	$2,510,000
Total current liabilities	$7,751,000
Long-term debt	$5,576,000
Other long-term liabilities	$670,000
Long-term liabilities	$6,246,000
Stockholder equity	$16,098,000
Total	$30,095,000

a. Calculate the values of Lowes debt ratio?

And interest-bearing debt ratio?

b. If the market value of Lowes common equity is $35.86 billio and Lowes has no excess cash, what is the firms debt-to-enterprise-value ratio?