15 & 16 More info down

D Question 15 5 pts What is the value for the Economic Service Life for the Old Machine and the New Machine? The Economic Service Life for the old machine is n=2 and for the new machine is n=4. O The Economic Service Life for the old machine is n=2 and for the new machine is n=3. O The Economic Service Life for the old machine is n=3 and for the new machine is n=4. O The Economic Service Life for the old machine is n=2 and for the new machine is n=5. D Question 16 5 pts When considering Marginal Cost Analysis, the graph can be described as: O A graph of two consecutive years, showing the opportunity cost, the salvage value and the operating cost of retaining the old machine one more year. O A graph of two consecutive years, showing the opportunity cost, the salvage value and the operating cost of acquiring the new machine for one year. O A graph of four consecutive years, showing the opportunity cost, the salvage value and the operating cost of acquiring the new machine for one year. O A graph of four consecutive years, showing the opportunity cost, the salvage value and the operating cost of retaining the old machine one more year