Question 8 (5 points) Bloomington would like to upgrade its railroad crossing. Three designs have been proposed as shown in the table below, which have different investment requirements and benefits. All designs have 65 years of useful life and MARR is 5%. (a) You are tasked to conduct a B/C ratio analysis to make the selection. What is the B/C ratio of the baseline design using the Modified B-C ratio? (Suppose we have already used do nothing as baseline and now we are trying to determine what is our next baseline) Initial Investment Annual Cost Annual Revenue Design 1 $665,000 $72.000 $207,000 Design 2 $405,000 $46,800 $225,000 Design 3 $1,200,000 $75,000 $200.000 Please round your answer to two digits after the decimal point. (For example if your answer is 1.235, put 1.24) You can add your attachments to this question by using the "Add attachments to support your work" option. Your Answer: Answer DAdd attachments to support your work Question 9 (15 points) (b) Which design should be selected and why