The following standard overhead costs were developed for one of the products of Mildey Company: The following information is available regarding the company's operations for the period: Budgeted fixed overhead for the period is $1,350,000, and the standard fixed overhead rate is based on expected capacity of 90,000 direct labor hours. (Be sure you show all your work- not just an answer. ) Calculate the variable overhead spending variance and indicate whether it is favorable or unfavorable. Calculate the variable overhead efficiency variance and indicate whether it is favorable or unfavorable. Calculate the fixed overhead spending variance and indicate whether it is favorable or unfavorable. Calculate the fixed overhead volume variance and indicate whether it is favorable or unfavorable