Please i need the formulas too, thank you so much.

2. Note Payable On March 1, 20x1 Cooper Company borrows $80,000 from New National Bank by signing a 6-month, 6%, interest-bearing note. Instructions Prepare the necessary entries below associated with the note payable on the books of Cooper Company (a) Prepare the entry on March 1 when the note was issued. (b) Prepare any adjusting entries necessary on June 30 in order to prepare the semiannual financial statements. Assume no other interest accrual entries have been made. (c) Prepare the entry to record payment of the note at maturity