Choc Ltd manufactures and sells calculators. The information relating to their budget and actual performance for September are shown below:

Budget Actual Production in units ('000) 150 145 E '000 E '000 Sales revenue 1,800 1,750 Variable costs: Materials 900 850 Labour 120 120 Distribution 60 60 Total Variable Costs 1080 1030 Contribution 720 720 Fixed Costs: Quality control 15 10 Rent 30 25 Administration 30 35 Total Fixed Costs 75 70 Operating Profit 645 650