Refer to the information below from Nordstrom Inc.'s 2016 financial statements. Use the information to answer the requirements ($ millions).

Sales$15,093

Depreciation expense 578

Tax expense394

Interest expense, gross171

Earnings from continuing operations (Net income)685

EBITA 1,256

Cash613

Average total assets 9,470

Total debt2,908

Noncurrent deferred tax liabilities 391

Noncontrolling interest0

Equity871

Dividends paid1,185

Cash from operating activities2,451

How would you find the debt to book capitalization and the retained cash flow to net debt