A company normally uses a production team of 2 skilled workers and 4 unskilled worker. The skilled workers are better than the unskilled workers in both speed and efficiency. However, the skilled workers are paid a much higher wage rate than the unskilled workers. During one period, the team consisted of 4 skilled and 2 unskilled workers. Based on this information, it is most likely that the labor rate variance would be and the labor efficiency variance would be O favorable, unfavorable unfavorable, unfavorable O unfavorable, favorable O favorable, favorable