What is the after-tax cash flow from disposition (sale) of an asset that had an original cost of $10,000,000 and had a 7-yr MACRS depreciation schedule (14, 25, 17, 13, 9, 9, 9, 4% respectively) if the asset was sold after 5 years for $3.8 million and the tax rate is 30%. $3.32 million $1.6 million $7.8 million $480,000 $1.12 million