January 1 Sold merchandise to Walgreens for $26,000; the cost of these goods to GI was $17,400. February 12 Received payment in full from Walgreens. March 1 Sold merchandise to Bravis Pharmaco on account for $3,600; the cost of these goods to GI was $1,700. April 1 Sold merchandise to Tonys Pharmacy on account for $8,600. The cost to GI was $4,700. May 1 Sold merchandise to Anjuli Stores on account for $2,600; the cost to GI was $1,500. June 17 Received $6,800 on account from Tonys Pharmacy. Required: 1. Complete the following aged listing of customer accounts at June 30. 2. Estimate the Allowance for Doubtful Accounts required at June 30 assuming the following uncollectible rates: one month, 1 percent; two months, 5 percent; three months, 20 percent; more than three months, 40 percent. 3-a. Show how GI would report its accounts receivable on its June 30 balance sheet. 3-b. What amounts would be reported on an income statement prepared for the six-month period ended June 30?