PMP Question on Project Selection

Can Some one Please answer these Questions..


Q1.  Here are a list of Projects ?


        Project       Investment Costs           Chance of Winning


        Proj A          100 $                                  30 %


        Proj B          200 $                                  40 %


        Proj C         300 $                                   50 %


Which one do you select ?


 


Q2. What does it mean when both Cost Variance CV and Schedule Variance SV are 0.. It can be On-Budget ..but that was not listed as an option