Given the initial investment in a factory processing equipment as Ghc500,037. Let the opportunity cost of capital for the industry be 10% p.a. Assuming that the equipment is capable of generating an after-tax returns of Ghc115,000 for the first 5 years and Ghc65000 for the 6th year and Ghc53400 for the 7th year. a. Find the Net Present Value (NPV) b. Determine the Internal Rate of Return c. Identify three ways in which the Net Present value is superior to the Internal Rate of return as investment criteria