Please include explanations and formulas, thank you!

rate. a) Compute the direct labor rate variance for the month of July and determine whether it is favorable or unfavorable. b) Compute the direct labor time variance for the month of July and determine whether it is favorable or unfavorable. c) Compute the total direct labor variance for the month of July and determine whether it is favorable or unfavorable. Assume that the new standard rate per hour is $23. d) Compute the new direct labor rate variance and determine whether it is favorable or unfavorable. New Direct Labor Rate Variance =$ e) Compute the new direct labor time variance and determine whether it is favorable or unfavorable. New Direct Labor Time Variance =$ f) Compute the new total direct labor variance and determine whether it is favorable or unfavorable. New Total Direct Labor Variance =$