Can i get some guidance with these please?
A couple borrows $10,000 for three years and is charged 10.5% Simple Interest per year.
a. Determine their monthly payment.
b. Assuming that each month's interest payment is the same, how much of the tenth payment goes to interest and how much goes to principal?
I am coming up with an answer of $920.83 for part a. Is that horribly wrong??
Better, yes, but quite incorrect.
Can you tell me WHY you're not using the proper formula:
was it not given to you by your teacher?
The formula is:
P = Ai / [1 - 1/(1 + i)^n]
where:
P = payment
A = amount borrowed
i = interest rate per month
n = number of months
Does that scare you
no, what happened was that i was using the compounding formula. this is because i was getting a little confused with the SI formula when the interest was being credited at any time less than 1 yr... but i think i understand now..
so i getting a monthly payment of $365.28 now,
and the interest on the 10th month is $87.50, and the prinicipal on the 10th month is $277.78
yeh???
Simple interest would presumably result in a lower payment than the
325.02 I gave you, as the interest is assumed to compound monthly.
BUT you got 365.28 using simple(?): makes no sense whatsoever.
Let's quit guessing; ASK your teacher to define "simple".
Like, simple can mean "simply divide the annual rate by 12"!