Roth Service Co. experienced the following transactions for Year 1, its first year of operations: 1. Provided $78,000 of services on account. 2. Collected $48,800 cash from accounts receivable. 3. Paid $30,000 of salaries expense for the year. 4. Roth adjusted the accounts using the following information from an accounts receivable aging schedule: Percent Likely to Be Allowance Number of Days Past Due Amount Uncollectible Balance Current $15,700 0.01 0-30 5,200 0.05 31-60 4,000 0.10 61-90 1,200 0.30 Over 90 days 3,100 0.50 Required a. Organize the transaction data in accounts under an accounting equation. b. Prepare an income statement for Roth Service Co. for Year 1. c. What is the net realizable value of the accounts receivable at December 31, Year 1?