Question 4

4.1.1 Calculate the mean net profit over the entire period. (3)

4.1.2 Show how the percentage change for 2012 was calculated. (3)

4.1.3 Explain the trend that the factory experienced over the years in terms of
their net profit. (4)

4.1.4 For 2013 and 2014 the bars are almost of the same height, but the percentage
change differs. Explain why this is the case. (2)

4.2 The fruit canning company bought some office chairs, but they must assemble it. The following is an illustration with instruction sheet on how the chairs should be assembled. Study the illustration and answer the questions that follow.

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4.2.1 Determine how many pieces in total will be used to assemble 75 office chairs. (3)

4.2.2 Give a detailed description of how an office chair should be assembled. (6)

[21]

TOTAL: 100