One unit of product Vista requires 10 hours of skilled employees at OMR 5 per hour and 15 hours of unskilled employees at OMR 3 per hour for its completion. During a period, actual hours used for the production of one unit of Vista are; 15 hours of skilled employees at OMR 4 per hour and 10 hours unskilled employees at OMR 3 per hour. There was a machine break down during the period and 2 hours were lost for both employees. Find the Idle Time Variance? a. Skilled - OMR 50 A, Unskilled - OMR 45 A b. Skilled - OMR 10 A, Unskilled - OMR 6 A C. Skilled - OMR 40 F, Unskilled - OMR 39 F d. Skilled - OMR 10 F, Unskilled - OMR 6 F