On January​ 2, 2017, Kellogg Corporation acquired equipment for​$800,000. The estimated life of the equipment is 5 years or​ 80,000 hours. The estimated residual value is​ $10,000. What is the book value of the asset on December​ 31, 2018, if Kellogg Corporation uses the straight−line method of​ depreciation? (Round any intermediary calculations to two decimal places and your final answer to the nearest​ dollar.)

A. $790,000

B. $800,000

C. $484,000

D ​$642,000