Case 5 Rosalyn Manufacturing Company uses a standard cost system. The company experienced the following results of direct labor in July 2017. Each product requires 45 minutes to manufacture. Actual labor costs P3,690,000 Standard labor cost P2,700,000 Actual direct labor rate P36 per hour Standard direct labor rate P30 per hour 1. The estimated direct labor hours is 2. The number of units produced for the month is 3. Labor efficiency variance is