At the beginning of Year $1,$ Copeland Drugstore purchased a new computer system for $$300,000.$ It is expected to have a five$-$year life and a $$40,000$ salvage value.

Required

Compute the depreciation for each of the five years, assuming that the company uses

$(1)$ Straight$-$line depreciation.

$(2)$ Double$-$declining$-$balance depreciation.