The following standards for variable manufacturing overhead have been established for a company that makes only one product Standard hours per unit of output Standard variable overhead rate 8.8 hours $15.20 per hour The following data pertain to operations for the last month Actual hours Actual total variable manufacturing overhead cost Actual output 2,950 hours $45, 610 150 units What is the variable overhead efficiency variance for the month? Multiple Choice $25,546 U $24.775 U 57700