Please answer the following questions for an adjustable-rate mortgage under the following conditions: an Adjustable Rate Mortgage (ARM) for $140,000 is made at the time when the expected start rate is 6%. The loan will be made with the teaser rate of 3% for the first year, after which, the rate will be reset. The loan is fully amortizing, has a maturity of 25 years, and will be made monthly.

What will the monthly payments (principle and interest) be during the first year?

Assuming that the reset rate is 7% at the beginning of Year (BOY) 2, what will the monthly payments be (principle and interest) beginning in Year 2 through Year 25?

By what percentage will monthly payments increase from Year 1 to Year 2?

What if the reset date is three years after loan origination, and the reset rate is 8%. What will the monthly payments be (principle and interest) beginning in year 4 through year 25?