Sheridan Company has gathered the following information: Variable manufacturing overhead costs $12,060 Fixed manufacturing overhead costs $9,090 Normal production level in labour hours 9,000 Standard labour hours 9,300 During the year, 3,000 units were produced, 10,500 hours were worked, and the actual manufacturing overhead was $20,000. Actual fixed overhead totalled $9,100. Sheridan applies overhead based on direct labour hours. Calculate the total, fixed, and variable predetermined overhead rates. (Round answers to 2 decimal places, e.g. 15.25.) Fixed predetermined ovehead rate per DL hour $ Variable predetermined avehead rate $ per DL hour Total predetermined ovehead rate per DL hour $ Calculate the fixed manufacturing overhead volume variance. Fixed overhead volume variance $ Calculate the fixed overhead spending variance. Fixed overhead spending variance 5 Calculate the variable averhead price variance. Variable overhead price variance Calculate the variable overhead quantity variance. Variable overhead quantity variance Calculate total manufacturing overhead variance. Total overhead variance