A restaurant has a cost with the following cost formula: $%1,000+$5q, where q is the number of meals served. The restaurant's planning budget is based on 1,000 meals. Its actual level of activity was 900 meals and the actual amount of the cost at that level of activity was $5,575. What is the spending variance for this cost? a. $500 F ? b575 U c, $75 F d.$500 U (Ctrl)