Candy Factory uses the following standard costs for a single unit of product: Direct labor (29.5 hours @ $12.00/hour) $354.00 Variable overhead (4 hours @ $4.50/hour) $18.00 Actual data for the month showed overhead costs of $450,000 for 25,400 units produced. What is the difference between actual variable overhead costs and standard variable overhead costs allocated to products? O A. $7,200 favorable OB. $335,700 favorable O C. $335,700 unfavorable OD. $7,200 unfavorable