1) A couple purchases a vacation home for 280000. They pay 20% down and financ

1) A couple purchases a vacation home for 280000. They pay 20% down and finance the rest with equal monthly payments at the end of each month over 30-year
period at a rate of 6.5% compounded monthly. How much interest will the couple pay on this loan?

2) A person deposits 2215 at the beginning of each semiannual period for 8 years into an account paying 5% compounded semiannually. Then he leaves that money
alone with no further deposits for an additional 6 years. Find the final amount in this account after 14 years.

3) Large semitrailer trucks cost 72000 each. A trucking company busy 3 of these trucks and agrees to pay for them with a loan that is amortized with 9
semiannual payments at 10% compounded semiannually. What is the total amount (principal + interest) paid for this loan?

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