Revision of$$DepreciationEquipment with a cost of $$180,000$ has an estimated$$residual

value$$of $$14,400,$ has an estimated useful life of $16$ years,

and is depreciated by the$$straight$-$line method.a$.$Determine the amount of the annual

depreciation.

$b$.$Determine the$$book value$$at

the end of the tenth year of use.

$c$.$Assuming that at the start of the

eleventh year the remaining life is estimated to be eight years and

the residual value is estimated to be $$10,500,$ determine the

depreciation expense for each of the remaining eight years.