Answers at the beginning of 2019, robotics inc. acquired a manufacturing facility for $12.3 million. $9.3 million of the purchase price was allocated to the building. depreciation for 2019 and 2020 was calculated using the straight-line method, a 20-year useful life, and a $1.3 million residual value. in 2021, the estimates of useful life and residual value were changed to 15 total years and $530,000, respectively.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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it has to be b, about 97 percent.