Herrod Catering uses two measures of activity, jobs and meals, in the cost formulas in its budgets and performance reports. The cost formula for catering supplies is $510 per month plus $100 per job plus $31 per meal. A typical job involves serving a number of meals to guests at a corporate function or at a host's home. The company expected its activity in December to be 21 jobs and 131 meals, but the actual activity was 15 jobs and 114 meals. The actual cost for catering supplies in December was $6,050. The spending variance for catering supplies in December would be closest to: Multiple Choice $506 F $621F $621 $506U