Please show all the steps required to understand the concept along with formulas.

0.3[a] A government agency 30 four is considering independent projects, each having so years projected useful lives. The nominal interest rate is 10% , per year. Using the B/C ratio method, which of the projects shown belou should be of OP Wg FW or AW method. selected. Use any Project Initial Investment ($) Annual Cost ($) Annual Benefit ($) 1250 3250 A 12000 4500 8000 B 20000 750 1250 10000 D 14000 1850 4050