Airplanes Unlimited purchases airplane parts from a supplier on March 19 at a quantity of 4,800 parts at $12.50 per part. Terms of the purchase are 3/10,n/30. Airplanes pays one-third of the amount due in cash on March 30 but cannot pay the remaining balance due. The supplier renegotiates the terms on April 18 and allows Airplanes to convert its purchase payment into a short-term note, with an annual interest rate of 9%, payable in six months. Show the entries for the initial purchase, the partial payment, and the conversion