Primara Corporation has a standard cost system in which it applies overhead to products based on the standard direct labor-hours allowed for the actual output of the period. Data concerning the most recent year appear below: required: 1. Compute the fixed portion of the predetermined overhead rate for the year. (Round Fixed portion of the predetermined overhead rate to 2 decimal places.) 2. Compute the fixed overhead budget variance and volume variance. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance.). Input all amounts as positive values.)