Described below are three independent and unrelated situations involving accounting changes. Each change occurs during 2021 before any adjusting entries or closing entries are prepared. a On December 30, 2017, Rival Industries acquired its office building at a cost of $9,300,000It has been depreciated on a straight- line basis assuming a useful life of 40 years and no residual value. Early in 2021, the estimate of useful life was revised to 28 years in total with no change in residual value. b. At the beginning of 2017, the Hoffman Group purchased office equipment at a cost of $495,000. Its useful life was estimated to be 10 years with no residual value. The equipment has been depreciated by the straight-line method On January 1, 2021, the company changed to the double-declining-balance method c At the beginning of 2021. Jantzen Specialties, which uses the straight-line method changed to the double-declining balance method for newly acquired vehicles. The change decreased current year net income by $505,000. Required: 1. Identify the type of change. 2. Prepare any journal entry necessary as a direct result of the change as well as any adjusting entry for 2021 related to the situation described. Ignore income tax effects.) Complete this question by entering your answers in the tabs below. Required 1 Required 2 Identify the type of change. Situation Type of Change a b Estimate [Accounting principle Armounting principle Journal entry worksheet Record the entry necessary as a direct result of the change in situation a. Note: Enter debits before credits. General Journal Debit Credit Date 2021 View general journal Clear entry Record entry 5 > Record the adjusting entry for situation a. Note: Enter debits before credits. Date General Journal Debit Credit 2021 Clear entry View general Journal Record entry Record the entry necessary as a direct result of the change in situation b. Note: Enter debits before credits. Date General Journal Debit Credit 2021 Journal entry worksheet