You buy a new truck for your trailer that costs $65,000. What are your monthly payments for a 5 year loan assuming an annual interest rate of 4.75%? Your down payment was $5,000. Make sure your answer is shown to the nearest whole cent.
Value of the truck = $65000
Downpayment = $5000
=> Loan Amount P = $65000 - $5000 = $60000
Interest Rate = 4.75% or 0.0475/12 monthly
Number of payment periods = n = 5*12 = 60 months
Let monthly payments made be X
Hence, the sum of present value of monthly payments must be equal to the value of the loan amount
=> X/(1+r) + X/(1+r)2 +....+ X/(1+r)N = P
=> X[1- (1+r)-N]/r = P
=> X = rP(1+r)N/[(1+r)N-1]
Hence, Monthly Payments = rP(1+r)N/[(1+r)N-1]
= 60000*( 0.0475/12)*(1+ 0.0475/12)60/((1+ 0.0475/12)60-1) = $1125.41
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