3. Consider this scenario: SKP Enterprises has secured a deal that necessitates a specific chemical treatment for one of their offerings, which will span six years. They have a choice of three different processing methods to select from. The first two methods are unique and cannot be reused after their respective operational life, while the third method can be consistently availed from GSP Industrial Solutions at an unvarying fee throughout the contract duration. Here are the alternatives: Method A: Purchase the Alpha machine for $200,000. Its yearly operational and staffing expenses amount to $65,000, and it can be utilized for four years. At the end of its service life, it's projected to retain a value of $10,000. Method B: Acquire the Beta apparatus at $250,000. Its annual running and workforce costs stand at $55,000, with a longevity of six years. Upon its service term conclusion, it's anticipated to have a residual worth of $30,000. Method C: Opt to outsource the chemical treatment, which would cost the company an annual fee of $120,000. Using the net present value approach and considering an interest rate of 12%, which method would you advise SKP Enterprises to opt for