Manuel Company predicts it will operate at 80% of its productive capacity. Its overhead allocation base is DLH and its standard amount per allocation base is 0.5DLH per unit. The company reports the following for this period. Compute the overhead volume variance. Indicate variance as favorable or unfavorable. (Indicate the effect of the variance by selecting favorable, unfavorable, or no variance.) Compute the overhead controllable variance. Indicate variance as favorable or unfavorable. (Indicate the effect of the variance by selecting favorable, unfavorable, or no variance.)