An equipment was bought at $600,000JD.$ The life time of the equipment is $10$ years at the end of which its salvage value is $10,000JD.$ The depreciation rate using the straight line method is

A$.10,000JD$

B$.59,000J\frac{D}{?}$ year

C$.59,000JD$

D$.60,000J\frac{D}{?}$ year