The following charts show the sales share of five companies (A, B, C, D and E) for two fertilizer products, Fertilizer-P and Fertilizer-Q. The Fertilizer-P sale of company C is 2520 Kg and the Fertilizer-Q sale of company B is 3150 Kg.If all companies decided to increase the price of both fertilizers by Rs 20 in 2022, what will be the difference of both fertilizer sales in terms of Rs for company B?
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Add Rs 20 to each price first, then compute company B's revenue for each fertilizer separately and subtract.
Update both prices first, then compute company B's two revenues and subtract. The 2022 prices become $320+20=340$ for Fertilizer-P and $280+20=300$ for Fertilizer-Q. Company B's Fertilizer-P quantity is $0.22\times12000=2640$ Kg, giving revenue $2640\times340=897600$. Company B's Fertilizer-Q quantity is $0.21\times15000=3150$ Kg, giving revenue $3150\times300=945000$. The difference between the two revenues is $945000-897600=47400$. \[\boxed{Rs\ 47400}\]
