The following data relate to factory overhead cost for the production of 4,000 computers: Actual: Variable factory overhead $130,000 Fixed factory overhead 30,875 Standard: 5,000 hrs at $32 If productive capacity of 100% was 6,500 hours and the factory overhead cost budgeted at the level of 5,000 standard hours was $167,125, determine the variable factory overhead Controllable Variance, fixed factory overhead volume variance, and total factory overhead cost variance. The fixed factory overhead rate was $4.75 per hour. Use the minus sign to enter favorable variances as negative numbers. Controllable varaiance:$ Volume variance:$ Total factory overhead cost variance:$