Bonnie Company applies overhead based on machine hours. The variable overhead standard is 19 hours at $13.50 per hour. During March, Bonnie spent $204,150 for variable overhead, and 13,170 machine hours wero used to produce 490 units. What is the variable overhead rate variance? Note: Do not round intermediate calculation. Mutiple Choice $26.355 unfavorable $26,355 favoroble 511700 unfavorable $13,400 untavorable