58. A machine was sold in December 20x3 for $9,000. It was purchased in January 20X1 for $15,000, and depreciation of $12,000 was recorded from the date of purchase through the date of disposal. Assuming a 40% income tax rate, the after-tax cash inow at the time of sale is: A. $3,600. B. $6,600. C. $8,400. D. $9,000. E. $11,400