Journalize the following transactions in the accounts of Arrow Medical Co, a medical equipment cempany that uses the direct write-off method of acteunting for uncollectible recelvables: Jan. 19, Sold merchandise on account to Dr. Sinclair Welby, $57,200. The cost of the merchandise sold was $30,900. July 7. Received $15,400 from Dr. Sinclair Welby and wrote off the remainder owed on the sale of January 19 as uncolectible. Now. 2. Meinstated the account of Or. Sinclair Welby that had been written off on July 7 and received 541,600 cash in full payment