Excelsior Technical Resources' (ETR's) balance sheet at December 31, 2018, reported the following: E: (Click the icon to view the balance sheet.) ETR uses both the percent-of-sales and the aging methods to account for uncollectible receivables. Read the requirements. Requirement 1. How much of the December 31, 2018, balance of accounts receivable did ETR expect to collect? Stated differently, what was the net realizable value of ETR's receivables? The net realizable value of ETR's receivables at December 31, 2018 is $ million. Requirement 2. Journalize, without explanations, the following 2019 entries for ETR. (Record debits first, then credits. Exclude explanations from any journal entries. Enter amounts in millions as provided to you in the problem statement, X.X.) a. Estimated doubtful-account expense of $40 million, based on the percent-of-sales method, all during the year. Journal Entry Accounts Date Debit Credit b. Write-offs of uncollectible accounts receivable total $58 million. Prepare a T-account for Allowance for Doubtful Accounts and post the write-offs and the doubtful-account expense from part a, to this account. Show its unadjusted balance at December 31, 2019. Begin by preparing the journal entry. i Data Table (In millions) Accounts receivable ............ $ 382 Allowance for doubtful accounts (52) Print Print Done Done]