Pexura774 Corporation conducts get-rich-quickly workshops and uses two measures of activity, classes and students, in the cost formulas in its internal financial and operating reports. The cost formula for workshops is $560 per month plus $105 per class plus $21 per student. Pexura774 expected its activity in January to be 13 classes and 122 students, but the actual activity was 8 classes and 127 students. (ID#88274) The actual cost for workshops in January was $3,950. Q: What was Pexura774's spending variance for workshops in January? Multiple Choice $117 U $537 F $117 F $537 U