Fargo Corporation reported a $350 favorable price variance for variable overhead and a $4,160 favorable price variance for fixed overhead. The flexible budget had $255,180 variable overhead based on 42,530 direct labor-hours; only 42,170 hours were worked. Total actual overhead was $421,070. The number of estimated hours for computing the fixed overhead application rate totaled 43,140 hours. Required: (a) Compute the variable overhead variance. (Indicate the effect of variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values. Omit the "$" sign in your response.) Variable overhead $ (b) Compute the fixed overhead variance. (Indicate the effect of variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input the amount as positive value. Do not round your intermediate calculations.Omit the "$" sign in your response.) Fixed overhead $