A firm is considering a project that will increase sales by $135,000 and cash expenses by $105,000. The project will cost $120,000 and be depreciated using the straight-line method to a zero book value over the 4-year life of the project. The company has a marginal tax rate of 34 percent. What is the value of the depreciation tax shield?

$6,000

$10,200

$13,200

$19,800

$20,000