The standard hours for direct labor is 0.50 per unit. The standard cost per hour is $60. The company manufactured 2,850 products, and spent $27,608 for the 986 actual hours. Required: Calculate the direct labor rate, efficiency, and spending variances. Note: Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Round your intermediate calculations to 2 decimal places. Direct Labor Rate Variance Direct Labor Efficiency Variance Total Direct Labor Spending Variance