please help me solve for the following

direct labor efficiency variance

Variable overhead spending variance

variable overhead spending variance

Variable overhead efficiency variance

The standards for one case of liquid weed killer are as follows: During the week ended May 6 , the following activity took place: 5,559 machine hours were worked: 29,553 pound of raw material were purchased for inventory at a total cost of $271,297. 4,180 cases of finished product were produced. 29,110 pound of raw material were used. 17,579 labor hours were worked at an average rate of $19.5 per hour. $35.411 actual variable overhead costs were incurred. Required: Calculate each of the following variances. Note: Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance)