On January​ 2, 2019, Kaiman Corporation acquired equipment for $ 600,000. The estimated life of the equipment is 5 years or 50,000 hours. The estimated residual value is $ 10,000. What is the balance in Accumulated Depreciation on December​ 31, 2020, if Kaiman Corporation uses the straightminusline method of​depreciation?

a.118,000
b.240,000
c.120,000
d.236,000