A partial planning budget and actual results from Market Works Corp. are given below: Planning Actual u = 1.200 units u = 1,250 units h = 800 hours h = 820 hours Sales ($500) Wages ($12h) Supplies ($0.30u) Maintenance ($400 + $2h) $60,000 $9,600 $360 Sales $64,000 Wages $10.200 Supplies $350 Maintenance $2,400 $2.000 What is the spending variance for Supplies? O A. $15 unfavorable OB. $25 unfavorable C. $10 favorable D. $25 favorable