In the following multiple bar diagram, the data regarding cost of production and sales revenue of the company XYZ in the given years have been given. Study the bar diagram carefully and answer the questions.
If the cost of production in 2004 and 2007 be increased by 25% and 30% respectively, then by what per cent will the total cost in these both years be more than the sales revenue of the year 2008?
New production cost in the year :
2004 = $$\frac{125}{100} * 625$$ = 781.25
2007 = $$\frac{130}{100} * 400$$ = 520
=> Total cost = 781.25 + 520 = 1301.25
Sales revenue in 2008 = 800
$$\therefore$$ Required % = $$\frac{1301.25 - 800}{800} * 100$$ = 62.7%
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