ion 9 here are four mutually exclusive alternatives for a public project. Select the best alternative using incremental B/C ratio analysis if interest rate is 7% per year. The cash flow details of the ternatives are shown in the following table. Each alternative has the useful life of 40 years. 10 points Alternative Alternative-1 | Alternative-2 Alternative-3 Alternative 4 Al A2 A3 A4 Cash flow 145200000 122800000 Initial investment (Rs.) 6700000 Annual operating and 6450000 6135000 5 780000 maintenance cost (Rs.) 17200000 1 9100000 17900000 Worth of annual benefits (Rs.) 2 Useful life (Years) Select alternatives A4 Select alternative A1 Select alternative A3 Select alternative A2 A Moving to another question will save this response. DELL