LightSleep manufactures airbeds. During the month of March LightSleep manufactured 30,000 airbeds. The variable overhead cost-allocation base is $11.25 per machine-hour. The following variable overhead data pertain to March: Actual Budgeted Production 30,000 units 24,000 24 units 10,800 Machine-hours 15,000 hours hours Variable overhead cost per $11.00 $11.25 machine-hour: What is the variable overhead spending variance? $3,750 favorable O$30,375 unfavorable $13,125 unfavorable $16,875 unfavorable O A: https://