Find Wal-Marts 10-K at the companys official website under Investor Relations. After locating the financial statement disclosures from the January 31, 2015, annual report of Wal-Mart Stores, Inc. answer the following questions related to these disclosures:

(a) What is the total obligation under capital leases at January 31, 2015, for Wal-Mart?

(b) What is the total rental expense reported for leasing activity for the year ended January 31, 2015, for Wal-Mart?

(c) Estimate the off-balance-sheet liability due to Wal-Marts operating leases at January 31, 2015.