Described below are certain transactions of Platypus P.C. 2021: 5.1: On March 31, the company purchased equipment for $500,000 from Rao Company, paying $175,000 in cash and giving a one-year, 11% note for the balance. 5.2: On December 11, the company purchased goods from Echidna Corp. for $111,000, terms 3/30, n/90. Purchases and accounts payable are recorded at gross amounts. The invoice was paid on December 31. a: (4 pts) Prepare the journal entries necessary to record the transactions above using appropriate dates. b: (4 pts) Prepare the adjusting entries necessary at the end of the transaction or December 31, 2021 (as indicated) in order to properly report interest expense related to the above transactions. Assume straight-line amortization of discounts. @ Inception (Part a) Final JE (Part b) #1: 31-Mar 31-Dec #2 11-Dec 31-Dec