Help me will give brainliest

How do i do this? i don’t understand

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !