6sses teroportionate method Question 4: On Jan 1, 2017, the accounting records of Harrison Ltd. included a debit balance of $15 million in the building account and of $12 million in the related accumulated depreciation account. The building was purchased in January 1977 0r$15 million, and was estimated to hav a 50-year useful life with no residual value. Harrison for all of its property, plant, and equipment. During 2017, the following expenditures relating to uss the straight-line depreciation me the building were made: 1. The original roof of the building was removed and replaced with a new roof. The old roof cost million. The new roof cost $2.5 million and is expected to have a 15-year useful life. $1 2 The ongoing frequent repairs on the building during the year cost $57,000 3. The building's old heating system was replaced with a new one. The new HVAC cost s700,000 and is estimated to have a seven-year useful life and no residual value. The cost of the old HVAC is unknown, but is estimated to be $200,000 and fully depreciated. 4. A natural gas explosion caused $44,000 of uninsured damage to the building. This major repair did not change the estimated useful life of the building or its residual value Instructions: Prepare the journal entries to record the expenditures related to the building during