"A corporation has decided to replace an existing asset with a newer model. The new asset will cost $70,000. The original asset, when purchased cost $10,000, was being depreciated under a straight line methodology, using a five-year recovery period, and has been depreciated for four full years. The existing asset can be sold for $8,000. If the assumed tax rate is 40 percent on ordinary income and capital gains, explain what is the initial investment?"