Boulder Company purchased a truck for $12,000 on January 1, 2015. The estimated salvage value was $3,000 and the estimated useful life was 6 years. At the beginning of 2018, it was determined that the salvage value would only be $900. Assuming the straight-line method is used, how much depreciation expense on the truck would be recorded at the end of 2018?

$1,500.

$2,200.

$1,850.

$1,100.