Amy's Weathervane Company manufactures weathervanes. The 2011 operating budget is based on the production of 5,000 weathervanes with 1.25 machine-hour allowed per weathervane. Variable manufacturing overhead is anticipated to be $150,000.Actual production for 2011 was 5,500 weathervanes using 6,050 machine-hours. Actual variable costs were $23.75 per machine-hour.
Required:Calculate the variable overhead spending and the efficiency variances.