Could you explain where you get the interest expense ? the equation for it

Exercise 9-5 (Algo) Interest-bearing notes payable with year-end adjustments LO P1 Keesha Company borrows $250,000 cash on November 1 of the current year by signing a 120 -day, 12%,$250,000 note. 1. On what date does this note mature? 2. \& 3. What is the amount of interest expense in the current year and the following year from this note? 4. Prepare journal entries to record (a) issuance of the note, (b) accrual of interest on December 31 , and (c) payment of the note maturity. Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare journal entries to record (a) issuance of the note, (b) accrual of interest on December 31, and (c) payment of the note at maturity. Note: Use 360 days a year. Do not round intermediate calculations