Skytalk Company manufactures weathervanes. The 2015 operating budget is based on the production of 5,300 weathervanes with 1.20 machine-hour allowed per weathervane. Variable manufacturing overhead is anticipated to be $145,750. Actual production for 2015 was 5,250 weathervanes using 6,050 machine-hours. Actual variable costs were $21.55 per machine-hour. Required: 1. Carry out level 3 analysis of the variable variances 2. Analyze the variances highlighted areas that need to be capitalized on and areas that need to be worked on specifying the corrective actions needed. 3. Is a favorable variable overhead spending variance always desirable? Explain.