Sunland Family Instruments makes cellos. During the past year, the company made 6,610 cellos even though the budget planned for only 5,620. The company paid its workers an average of $20 per hour, which was $0.50 higher than the standard labor rate. The production manager budgets 4 direct labor hours per cello. During the year, a total of 24,510 direct labor hours were worked. (a) Calculate the direct labor rate and efficiency variances. (If variance is zero, select "Not Applicable" and enter Ofor the amounts.) Direct labor rate variance $ $ Unfavorable Direct labor efficiency variance $ Favorable