Jackson Company's overhead rate was based on estimates of $199,200 for overhead costs and 19,920 direct labour hours. Jackson's standards allow 2 hours of direct labour per unit produced. Production in May was 920 units, and actual overhead incurred in May was $19,000. The overhead budgeted for 1,840 standard direct labour hours is $17,860 ($4,980 fixed and $12,880 variable).

(a)Calculate the total, budget, and volume variances for overhead.

Total overhead variance$

Unfavourable

Neither favourable nor unfavourable

Favourable

Overhead budget variance$

Favourable

Neither favourable nor unfavourable

Unfavourable

Overhead volume variance$

Favourable

Unfavourable

Neither favourable nor unfavourable