Assume that ABC company wants to acquire a new equipment at an initial price of $$1000$ with $10$ years useful life. The equipment's value will be depreciated on a straight$-$line basis down to a book value of at the end of $10($th$)$ year. However the firm can sell it at $$250$ residual value at the end of $8($th$)$ year. Marginal tax rate$=40\%.$ What is the after tax residual value at the end of $8($th$)$ year?