How do i solve this with a financial calculator?

I purchased a new car on April 1st for $24,000 and financed the entire amount at 12%. I will make 48 monthly payments, with the first payment due on May 1st. Over the life of the loan, how much will I pay in total interest? Round to the nearest dollar. (Hint: Figure out the amount of the payment first.) Question 17 15 pts I purchased a new car on April 1st for $50,000. I paid $10,000 cash as a down payment; and, I financed the remainder with the credit union at 3% interest. I will make 60 monthly payments, with the first payment due on May 1st. How much interest will I pay with the 2 nd payment, which is due on June 1 ? Round to the nearest dollar