Revenue variances Dickinsen Company gathered the following data for December: Planned Actual Sales price per unit $5.80 $6.00 Number of units of sales X 820,000 X 805,000 Total sales $4,756,000 $4,830,000 Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. a. Compute the revenue price variance. b. Compute the revenue volume variance. c. Compute the total revenue variance