Comprehensive Problem 1 Part 2 and Part 3: The following is a comprehensive problem which encompasses all of the elements learned in previous chapters. You can refer to the objectives for each chapter covered as a review of the concepts. Note: You must complete part 1 before completing parts 2 and 3. Part 2: Using the attached spreadsheet, post the journal entries from part 1 to a ledger of four-column accounts. Part 3: Prepare an unadjusted trial balance. If an amount box does not require an entry, leave it blank.