Derra Foods is a specialty food retailer. In its balance sheet, the firm reports $1 billion in book value of equity and no debt, but it has operating leases on all its stores. In the most recent year, the firm made $85 million in operating lease payments and its commitments to make lease payments for the next 5 years and beyond are summarized.

Year

Operating Lease Expense

1

$ 90 million

2

$ 90 million

3

$ 85 million

4

$ 80 million

5

$ 80 million

10-Jun

$ 75 million annually

If the firm”s current cost of borrowing is 7%, estimate the debt value of operating leases. Estimate the book value debt to equity ratio.