Sondra Davis borrows $6,000 on a 10%, 120-day note. On the 60th day, Sondra pays $2,000 on

Question:

Sondra Davis borrows $6,000 on a 10%, 120-day note. On the 60th day, Sondra pays $2,000 on the note. If ordinary interest is applied, what is Sondra's adjusted principal after the partial payment? What is the adjusted balance due at maturity? What is the amount of interest saved by making the partial payment?