The following data for May has been provided by Mccawley Corporation. Denominator level of activity Budgeted fixed manufacturing overhead costs Actual level of activity Standard machine-hours allowed for the actual output. Actual fixed manufacturing overhead costs 4,000 machine-hours $ 78,400 4,100 machine-hours 4,200 machine-hours $ 82,000 The volume variance for May is: (Round your intermediate calculations to 2 decimal places.) Multiple Choice O $3,920 F $1.960 F $1,960 U