A.On January 1, 2017, PWC Corp. acquired a machine at a cost of $700,000. It is to be depreciated on the straight-line method over a ten-year period with no residual value. Because of a bookkeeping error, no depreciation was recognized in PWC's 2017 financial statements. The oversight was discovered during the preparation of PWC's 2018 financial statements. Depreciation expense on this machine for 2018 should be?