Prepare the necessary journal entries to record the following transactions, assuming PWC Supply uses a periodic inventory system. (a) PWC Supply sells $5,000 of merchandise, terms 2/10, n/30 to Steve's Stereo on May 4th. (b) The customer in (a) returned $300 of merchandise to PWC Supply on May Sth. (c) PWC Supply receives the balance due from Steve's Stereo on May 10th. 3. a) b) c)