On October $1,2022,$ Blossom Manufacturing Company purchased a piece of high$-$tech equipment for $$90,100$ cash. Blossom estimated the equipment would have a $6-$year useful life and a residual value of $$8,500.$ The company uses straight$-$line depreciation and has a September $30$ fiscal year end.

On October $1,2024,$ Blossom paid $$15,000$ cash to upgrade the equipment. It is expected that the upgrade will significantly reduce the operating costs of the equipment. Blossom also reviewed the equipment's expected useful life and estimated that, due to changing technology, the equipment's total expected useful life will be $4$ years and its residual value will be $$4,500.$