Calculate the Modified B/C ratio for the estimates shown in the table below at a discount rate of 8% per year. PW of benefits, $ 4,800,000 AW of disbenefits, $/year 65,000 First cost, $ 1,200,000 M&O costs, $/year 300,000 Life of the project, years 20 The answers presented below were calculated using the appropriate factors from interest tables including all their decimal places. Modified B/C= 3.69 Modified B/C= 1.01 Modified B/C= 2.08 Modified B/C= 5.92