projected cost performance

You have calculated the projected cost performance that must be achieved on the remaining work to meet a specified goal. This projected cost performance is also known as
 
  Choice 1 Performance measurement document
 
  Choice 2 To-complete performance index
 
  Choice 3 Cost performance baseline
 
  Choice 4 Cost performance index

i think choice 2 is the ans.

i think choice 2 is the ans.