Examine the following formulas provided and name the one that defines the schedule variance of a project. Group of answer choices Schedule variance = Actual cost of the work completed - Earned value of project to date Schedule variance = Earned value of project to date - Planned time-phased baseline of the value of work scheduled Schedule variance = Planned time-phased baseline of the value of work scheduled - Earned value of project to date Schedule variance = Earned value of project to date - Actual cost of the work completed