In 20X4, Fredup Inc. purchased a piece of equipment for $21,000. The equipment has a 7-year useful life and no residual value. The equipment was erroneously included as an expense in the year. The error was discovered in December 20X8. Required: Prepare the journal entry to record the adjustment in December 20X8. (Assume the company uses straight line depreciation, ignore taxes.) (If no entry is required for a transaction/event, select "No journal entry required" in the first