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 4,200 machine-hours $ 83,160 4,300 machine-hours 4,400 machine-hours $ 86,940 The volume variance for May is: (Round your intermediate calculations to 2 decimal places.) Multiple Choice OU $1,980 U $3.960 F $1,980 F