QUESTION [25] Thembi Limited manufactures printing paper in its Rigby plant. The following flexible budget was developed for manufacturing overheads for the coming year: Fexible budget 30 000 60 000 R90 650 R120 650 Actual 55 000 R118 250 R10 000 R15 000 R12 400 R41 250 R55 000 R48 700 Activity level (machine hours) Repairs and maintenance Supplies Water and electricity Telephone Rates Depreciation Salaries R27 000 R36 000 R29 800 R1 200 R1 200 R1 400 R7 200 R7 200 R7 200 R64 800 R64 800 R65 700 Production overheads R115 500 R153 000 R132 750 TOTAL R357 600 R452 850 Use the high-low method to seperate mixed costs. Fixed overhead costs are incurred uniformly throughout the year. Required: Actual production required 55 000 machine hours during October. Prepare a performance report for October. Note: Round off variable cost per unit to three decimal places, total costs and variance to the nearest rand