Revision of depreciation

Equipment with a cost of $$749,200$ has an estimated residual value of $$86,200,$ has an estimated useful life of $30$ years, and is depreciated by the straight$-$line method.

a$.$ Determine the amount of the annual depreciation.

fill in the blank $1$ of $1$$

b$.$ Determine the book value after $14$ full years of use.

fill in the blank $1$ of $1$$

c$.$ Assuming that at the start of the year $15$ the remaining life is estimated to be $22$ years and the residual value is estimated to be $$83,400,$ determine the depreciation expense for each of the remaining $22$ years.

fill in the blank $1$ of $1$$