Computer Science · May / June 2023 · Paper 2 SL · Question 4
Adapt for 2027Computer modelling is no longer taught, but the data types and the calculation and highest/lowest algorithms can be done in Python or Java.
IBCS
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4. A restaurant is concerned about the increase in its electricity bills as it uses electricity for cooking, refrigeration, heating, air conditioning, air extraction systems and lighting. The electricity bill is paid every month and is based on a daily charge of $0.75 with a charge of $0.20 per unit of electricity used. The table below shows the electricity usage from the previous year. Month Electricity use (Units) Days in month January 5800 31 February 5000 28 March 5200 31 April 4800 30 May 4750 31 June 4900 30 July 5500 31 August 6500 31 September 5600 30 October 5960 31 November 5850 30 December 6280 31 A tax of 10 % is applied to the total bill. The restaurant would like to create a computer model of its electricity usage using data from the previous year.
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4(a)[1]
4(b)[3]
4(c)[5]
4(d)[2]
4(e)[2]
4(f)[8]
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