Which is not true regarding the amortization of a level payment mortgage (such as a traditional 30 year fixed rate mortgage)?

Group of answer choices

1. Escrow tax and insurance payments could go up or down, depending on actual costs

2. The monthly loan payment (PMT) will remain the same for each period

3. The contract interest will not change, regardless of market interest rates over time

4. The amount of interest paid each period will remain the same for entire loan