McDonald's Corporation is considering investing in new automated technology for its restaurants. The initial investment is $20,000,000, and the annual cash flows generated by the technology are projected to be $5,000,000 for the first three years, $8,000,000 for the next five years, and $3,000,000 for the last two years. Calculate the payback period for this investment and provide an interpretation of the result in the context of McDonald's long-term financial strategy.

46. Bond Valuation (Scenario Analysis) Suppose Coca-Cola Company issues bonds with a face value of $2,500,000, a coupon rate of 6%, and a maturity period of 12 years. Analyze the impact of changing market interest rates on the bond's present value. Present two scenarios: one where the market interest rate increases by 1% and another where it decreases by 1%. Calculate the bond's new present value under each scenario and interpret the results.