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Paradise Corporation has determined a standard labor cost per unit of $25 ( 0.50 hours $50 per hour). Last month, Paradise incurred 976 direct labor hours, for which it pald $26,108. The company produced and sold 2,600 units during the month. 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