A person amortizes a loan of $300,000 for a new home by obtaining a 30-year mortgage

at a rate of 4.5% compounded monthly. Find:

a. the monthly payment ["1520.06", "1324.63", "1657.68", "1334.98", "1462.89"]

,

b. the principal remaining after 7-year ["298736.45", "198325.25", "236988.65", "242897.26", "261078.90"]

,

c. the interest part of the 7th-year payment ["979.05", "993.25", "943.89", "893.25", "941.27"]

,

d. the principal part of the 7th-year payment ["538.99", "561.89", "601.25", "541.01", "534.69"]

,

e. the total interest charges ["242689.15", "252220.31", "247220.10", "265894.10", "236987.98"] .