Nizwa Company uses the allowance method to account for uncollectible receivables. It had the following transactions during the year: 2 Jan Received 75% of the RO 20,000 balance owed by its customer, Mr. Youssuf, who's business became bankrupt. Nizwa Company wrote off the remaining amount as uncollectible. 5 Mar The account of Zebra Company was recovered. It was written off in the preceding year as uncollectible. Nizwa Company received RO 5,225 cash as full payment of Zebra's account. 8Apr The account receivable owed by Jake's Coffee Shop was written off because they no longer have any assets left. The balance of their account was RO 2,500 . 31 Dec There was RO 200 credit balance in the allowance for doubtful accounts on December 31 before any adjustment. Analysis of accounts receivable shows that RO11,500 will become uncollectible. Required: a) Journalize the transactions b) Compute for the balance in allowance for doubtful accounts on 31 December using the balance sheet method. c) Compute the estimated uncollectible accounts if 0.5% of credit sales had been used. Credit sales is RO 2,000,000