(25p) An independent cable operator is considering the three bandwith alternatives shown below (thousands $). Assume a life of 20 years and a MARR of 20% per year to determine which alternative is best using an incremental investment rate of return analysis. Bandwidth 44 Mbps 55 Mbps 88 Mbps First Cost Operating Cost Annual Income (S) (S) -40,000 -2,000 4,000 -46,000 -1,000 5,000 -61,000 -500 8,000 DO NOT USE EXCELL FUNCTION