1.MakeNu Mortgage Company is offering home buyers a new mortgage instrument calledthe Stable Home Mortgage.This mortgageis composed of both a fixed rate and adjustable rate component.Mrs. Maria Perez is interested in financingthe purchase of a new home.The home,which costs $100,000, is to be financed by Stable Home Mortgages (SHM) on thefollowing terms:

a.TheSHM requires a 5 percent down payment, costs the borrower 2 discount points,and allows 75 percent of the mortgage to be fixed and 25 percent to beadjustable.The fixed portion of theloan is for 30 years at an annual interest rate of 10.5 percent.Having neither an interest rate cap norpayment cap, the adjustable portion is also for 30 years with the followingterms:

Initialinterest rate = 9 percent

Index= 1-year Treasuries

Paymentsadjust each year

Margin= 2 percent

Interestrate cap = None

Paymentcap = None

The projected one-year U.S.Treasury-bill index, to which the ARM is tied, as follows BOY2 = 10 percent; BOY3 =11 percent; BOY4 = 8 percent; BOY5 = 12 percent.

Calculate Mrs. Perez'stotal monthly payments and end-of-year loan balances for the first fiveyears.Calculate the lender's yield,assuming Mrs. Perez repays the loan after five years.

b.Repeatpart (a) under the assumption thatthe initial interest rate is 9.5 percent and there is an annual interest ratecap of 1 percent.