A and B are mutually exclusive alternatives with their cash flows shown in Table 1. Select the best alternative using a benefit/cost analysis technique. Use interest rate, i = 10%. TABLE 1 Cash Flow for Alternative A, $ Revenue Cost 250,000 Year Cash Flow for Alternative B, $ Revenue Cost 270,000 20,000 30,000 20,000 80,000 80,000 80,000 80,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 90,000 80,000 80,000 80.000 80,000 30.000 20,000 10