Liberty Services is now at the end of the final year of a project. The equipment originally cost $20,000 of which 75% has been depreciated. The firm can sell the used equipment today for $6,000, and its tax rate is 40%. What is the equipment's after-tax salvage value for use in a capital budgeting analysis? Note that if the equipment's final market value is less than its book value, the firm will receive a tax credit as a result of the sale. a. $6000 b. $6300 c. $5000 d. $5600 e. $6,772