Campa Oi performs oil changes. The standard wage rale for oil change technicians is $20 per hour. By analyzing its past records of time spent on oll changet, the company has developed a standard of 18 minutes (or 0.30 hours) per oll change. In July, 1,100 oil changes were performed at Campa Oil. OA chanige tochnicans worked a total of 320 direct labor hours at an average rate of $23 per hour. Read the reauiremonts. Requirement 1. Calculate the direct labor rate variance. Determine the formula for the rate variance, then compthe the rate variance for the direct labor. (Enter the result as a positove number. Label the variance at farvormble (F) or unfavorable (U). Enter the currency amount in the formuln to the nearest cent, then round the final variance amount to the nearent whole dofiar Abbreviations used. DL = Direct labor.) Word Bank for Fill-in-the-Blank DL rate variance formula: Part 2 Word Bank for Fill-in-the-Blank DL efficiency variance formula: Campa Oi performs oil changes. The standard wage rale for oil change technicians is $20 per hour. By analyzing its past records of time spent on oll changet, the company has developed a standard of 18 minutes (or 0.30 hours) per oll change. In July, 1,100 oil changes were performed at Campa Oil. OA chanige tochnicans worked a total of 320 direct labor hours at an average rate of $23 per hour. Read the reauiremonts. Requirement 1. Calculate the direct labor rate variance. Determine the formula for the rate variance, then compthe the rate variance for the direct labor. (Enter the result as a positove number. Label the variance at farvormble (F) or unfavorable (U). Enter the currency amount in the formuln to the nearest cent, then round the final variance amount to the nearent whole dofiar Abbreviations used. DL = Direct labor.) Word Bank for Fill-in-the-Blank DL rate variance formula: Part 2 Word Bank for Fill-in-the-Blank DL efficiency variance formula