At December 31, 20X0, Oettinger Corporation, a premium kitchen cabinetmaker for the home remodeling Industry, reported the following accounts recelvable Information on its year-end balance sheet During 20X1, the company had credit sales of $8,200,000 of which it collected $7,975,000. Oettinger employs the sales revenue approach to estimate its bad debt provisions and, continuing to use the same 1% used in previous years, made the normal adjustment at the end of 201. Although 201 started off well, the Industry experlenced a slowdown in the last four months of the year, and cash collectlons consequently dropped off substantially. Moreover, a major customer, which owed Oettinger $85,000, unexpectedly filed for bankruptcy and went out of business during November, at which time its account was written off. Oettinger's controller is concerned that some customers are experlencing cash flow problems and that the company's allowance for credit losses Is too low. As a result, she prepared the following schedule: Required: 1-a. Determine Oettinger's accounts recelvable balance at December 31,20X1. 1 -b. Prepare a journal entry for each transaction affecting the accounts recelvable balance for 201. 2-a. Prepare an aging analysis. 2-b. Compute the required balance in the Allowance for credit losses at December 31, 201. 3. Prepare any other required journal entrles affecting the Allowance for credit losses for the year ended December 31, 20X1. (Do not duplicate any entries from requirement 1.) 4. Show Detunger's balance sheet presentation of accounts recelvable at December 31,20x1