pls help

On January 1,20x3, Big Burgers, Inc. purchased equipment for $21,000 with an estimated four-year life and $1,000 residual value. The company uses itralght-ilne depreciation How much gain of loss should Eig Burgers record if the equipment was sold on December 31, 205 for $7,100. Murple cholce $1,00 loss $3,900 ioss: $2,00 gain sw0ogsin