mount of such Pledged Obligation; provided, that: (a) the Principal Balance of any Collateral Obligation received upon acceptance of an Offer for another Collateral Obligation, which Offer expressly states that failure to accept such Offer may result in a default under the Underlying Instruments, will be determined as if s

mount of such Pledged Obligation; provided, that: (a) the Principal Balance of any Collateral Obligation received upon acceptance of an Offer for another Collateral Obligation, which Offer expressly states that failure to accept such Offer may result in a default under the Underlying Instruments, will be determined as if s