Presented in Illustration 21-31 are the financial statement disclosures from the January 31, 2012, annual report of Wal-Mart Stores, Inc.

Instructions
Answer the following questions related to these disclosures.
  (a) What is the total obligation under capital leases at January 31, 2012, for Wal-Mart?
  (b) What is the total rental expense reported for leasing activity for the year ended January 31, 2012, for Wal-Mart?
  (c) Estimate the off-balance-sheet liability due to Wal-Mart’s operating leases at January 31, 2012.