Amazon Inc. Amazon indicates that it "completed a useful life study for our servers and are increasing the useful life from three years to four years for servers in January 2020." Will that increase or decrease the depreciation expense on those assets? Briefly explain why. Intangible assets Briefly explain why the value of intangible assets reported on balance sheets generally is lower than the actual (economic) value of the intangible assets? Impairment test Quatrain Inc. owns a machine that has a book value (the value reported on the balance sheet for that machine that reflects the purchase price less accumulated depreciation) of $7,000. The firm estimated that the net cash flows from the machine are $2,000 for each of the next three years. The discount rate is 5%. What value should the firm report for the machine after the impairment test