Two methods to incorporate improved techniques to manufacture computer devices to play HD DVD optical disc formats have been developed and costed. Use incremental rate of return analysis (2 decimal places) to determine which method is more economically justified at 12% MARR. Please show details of your calculation including the PW values of your trails with different interest rates and how you do your linear interpolation. (25 pts) Method A Method B Initial Cost, -305,000 -100,000 Annual operating cost, -55,000 in year 1, S per year -50,000 in year 2, -45,000 in year 3, -40,000 in year 4, -20,000 -35,000 in year 5, -30,000 in year 6, -25,000 in year 7, -20,000 in year 8 Salvage value 5.000 3,000 Life, years 16 8