A manufacturing company has a standard costing system based on machine hours ( MHs ) as the measure of activity. Data from the company's flexible budget for manufacturing overhead are given halnw. The following data pertain to operations for the most recent period: The following data pertain to What was the variable overhead efficiency variance for the period, rounded to the nearest dollar? $0. $2,075 unfavourable. $2,075 favourable. $1,750 unfavourable