Question 4:
4. How much do you pay all together at the end of the 60 months including the down payment and interest charges?
The monthly payment according to question 3 is: 429.78.
And this payment will be done for 60 months, so for those 60 months you will pay:
Plus, if we include the down payment, which according to question 1 is 2,500, the total pay is
Answer: 28,286.