Pay and perform all Obligations under this Agreement and the other Loan Documents, and pay or perform (a) all material taxes, assessments and other governmental charges that may be levied or assessed upon it or any of its property, and (b) all other material indebtedness, obligations and liabilities in accordance with customary trade practices; provided , that the Borrower or such Restricted Subsidiary may contest any item described in clauses (a) or (b) of this Section in good faith so long as adequate reserves are maintained with respect thereto in accordance with GAAP.