Please read carefully and use the methode asked. Pleae show me all work.

2. An environmental engineer must recommend one of two methods for monitoring high colony counts of E. coli and other bacteria in watershed area "hot spots." Estimates are tabulated, and the MARR is 10% per year. (20 points) Method B Method A 250,000 100,000 Initial cost, Annual operating cost, 30,000 in year 1 20,000 increasing by per year 5000 each year Life, years a. Use future worth analysis to select the better method. b. For a study period of 3 years, use FW analysis to select the better method