By increasing the price of entry ticket to a fair in the ratio 3 : 5, the number of visitors to the fair has decreased in the ratio 7 : 2. In what ratio has the total collection increased or decreased?

By increasing the price of entry ticket to a fair in the ratio 3 : 5, the number of visitors to the fair has decreased in the ratio 7 : 2. In what ratio has the total collection increased or decreased?
1). Increased in the ratio 10 : 21
2). Increased in the ratio 6 : 35
3). Decreased in the ratio 21 : 10
4). Decreased in the ratio 35 : 6

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