A factory machine was purchased for $$380000$ on January $1,2021.$ It was estimated that it would have a $$70000$ salvage value at the end of its $5-$year useful life. It was also estimated that the machine would be run $37000$ hours in the $5$ years. The company ran the machine for $3700$ actual hours in $2021.$ If the company uses the units$-$of$-$activity method of depreciation, the amount of depreciation expense for $2021$ would be

$$62000.$

$$38000.$

$$31000.$

$$70000.$