Exercise 8-21 (Algo) Volume variance LO P4 Shaw Company produced 860 units. Its overhead allocation base is DLH and its standord amount per allocation base is 8 DLH per unit its standard overhead rate is $10 per DLH. The flexible overhead budget at an activity level of 860 units shows $35,000 in variable overhead costs and $39,000 in fixed overhead costs. Compute the volume variance. Note: Indicate the effect of the variance by selecting favorable, unfavorable, or no variance