fill in the missing information: Must show all your work for each missing, thank you! Case A 1,000 3.5 Case B | 1,500 Units Produced Standard hours per unit Standard hours for production Standard rate per hour Actual hours worked Actual total labor cost Labor price variance Labor usage variance Case C 800 3 ? $7.00 2,330 $7.25 3,400 $7.00 4,900 $31,850 $850 F $466 F $2,800 U