Beverty Company has determined a standard varlable overhead rate of $2.50 per direct labor hour and expects to incur 0.5 labor hours per unit produced, Last month, Beverly incurred 950 actual direct labor hours in the production of 2,000 un: is. The company has also determined that its actual variable overhead rate is $2.40 per direct labor hour: Required: Calculate the variable overhead tate and efficiency variances as well as the total amount of over-or underapplied variable overheadi, Note: Indicate the effect of each variance by selecting "F" for favorable, " U " for unfavorable, and "None" for no effect (i.e., zero variance)