Fortes Incorporated has provided the following data concerning one of the products in its standard cost system. Varlable manufacturing overhead is applied to products on the basis of direct labor-hours. The company has reported the following actual results for the product for April: Required: a. Compute the materlals price varlance for April. b. Compute the materlals quantity varlance for April. c. Compute the labor rate varlance for April. d. Compute the labor efficiency varlance for April. e. Compute the varlable overhead rate varlance for April. f. Compute the varlable overhead efficiency varlance for April. (Indlcate the effect of each varlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (I.e., zero varlance). Input all amounts as positlve values.)