Raven applies overhead based on direct labor hours. The variable overhead standard is 19 hours at $28 per hout. During July, Raven spent $241700 for variable overhead. 8,040 latfor hours were used to produce 190 units. What is the variable overhead rate variance? Multiple Choice $16,500 unfavorable $10,970 favorable $10,970 unfavorable $5.485 unfavorable