Shaw Company produced 680 units. Its overhead allocation base is DLH and its standard 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 680 units shows $26,000 in variable overhead costs and $30,000 in fixed overhead costs. Compute the volume variance. (Indicate the effect of the variance by selecting favorable, unfavorable, or no variance.) Volume Variance Standard overhead applied Budgeted (flexible) overhead at units produced Volume variance