You are developing a performance progress report for a project you are managing. The following time$-$phased budget was developed earlier in the planning stage and is being used as the standard against which the project performance is measured.

Work Packages W$1$ W$2$ W$3$ W$4$ W$5$ W$6$

A $694$

B $9$

C $410$

Total $6949410$

You are analyzing the project performance at the end of Week $5.$ Activity $"$C$"$ is $80\%$ complete and its actual cost is $15.$ What is the schedule variance of this activity?

Use two decimal places in your calculations.