[The Professor]

I would google "amortization table" and use one of the available calculators to answer your question. My guess is your payment during this interest modification period is "interest only" and I don't necessarily think that is a bad thing. Rather than reduce the principal with a larger payment, I'd suggest you simply open a savings account and place the payment differential (between an interest only payment and a fully amortized payment) in the savings account. That way, when you reach a decision point (recognizing the primary benefit of this workout is it gives you the ability to delay the foreclosure decision for a few years where you will have a better idea of whether it makes sense to continue down this home purchasing route), if you choose to let the home go you won't lose the principal reduction you would have achieved.

Take care,

Daniel