What is true of the CPI? $($You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.$)$

check all that apply

It is a time performance index.unanswered

An index of $\mathrm{.}80$ suggests that the project may be under budget.unanswered

It is a cost performance index.unanswered

An index of $\mathrm{.}80$ indicates that $80$ cents of work has been completed for each actual dollar spent.unanswered

An index of $1\mathrm{.}25$ indicates that $25\%$ more of the work has been completed than was planned by this time.