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ICT modelling spreadsheet - This coursework was designed to investigate the uses of electricity bills and how electricity bills are produced.
The first 200 words of this essay...
GCSE ICT Modelling Spreadsheet: Write Up
This coursework was designed to investigate the uses of electricity bills and how electricity bills are produced. Firstly we needed to list all of the electrical appliances in our homes and find out how many units of electricity is uses up. These units are measured in kilowatt-hours, meaning how many kilowatts the appliance needs for each hour that it is used. This information was then tabulated into a spreadsheet (as shown on the left). After doing this, we then estimated how long each appliance is going to be used and how many times per week.
When the cost of each appliance is calculated, they are all added up to give a total bill. After this, V.A.T. (value added tax) is added on to the price; the V.A.T. is five percent of the cost. Finally, to work out the final bill, the standard charge is added on. The standard charge is a set price from the company, and is the cost of the electricity being supplied to your home. For the supplier 'npower' the standard charge is £21.59, and this is charged annually.
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