Instead of $5,000 rebate and finance through your credit union or forgo the rebate ,we should finance through the dealership at the rate 4.5% apr.
1).If we take rebate of $ 5000, we will get the loan at 8% from bank for 5 year
$ 35000 - $ 5000 = $30000
Interest on $30000 at 8% for 5 years
= (1.08)^5
= 1.587
Total amount to be paid
= (30000* 1.587)
= 47610
2.) if we doesn't take the rebate, we will get the loan at 4.5% for 5 years
$35000
Interest on $ 35000 at 4.5% for 5 years
= (1.04)^5
= 1.22
Total amount to be paid
= (35000*1.22)
= 42700
Clearly taking rebate is not beneficial to us.
So it is recommendary to not go for the rebate, rather take the loan at 4.5%
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