I need a break down on this because I can't figure how what steps I'm getting wrong

Andres Michael bought a new boat. He took out a loan for $23,640 at 2.75% interest for 2 years. He made a $4,990 partial payment at 2 months and another partial payment of $3,220 at 6 months. How much is due at maturity? (Do not round intermediate calculations. Round your answer to the nearest cent.) Maturity value 15,714.98