Part 10: You must complete parts 1, 2, 3, 4, 6, 7, 8 and 9 before attempting to complete part 10 . Part 5 is the optional worksheet. Prepare a post-closing trial balance. If an amount box Joes not require apentry, leave it blank. Part 10: You must complete parts 1, 2, 3, 4, 6, 7, 8 and 9 before attempting to complete part 10 . Part 5 is the optional worksheet. Prepare a post-closing trial balance. If an amount box Joes not require apentry, leave it blank