Jackson Companys overhead rate was based on estimates of $176,400 for overhead costs and 17,640 direct labour hours. Jacksons standards allow 2 hours of direct labour per unit produced. Production in May was 840 units, and actual overhead incurred in May was $19,000. The overhead budgeted for 1,680 standard direct labour hours is $16,170 ($4,410 fixed and $11,760 variable). and state if they're favourable or not