The management believes that every 9% increase in the selling price of one of the company's products results in a 10% decrease in the product's total unit sales. The variable production cost of this...

The management believes that every 9% increase in the selling price of one of the company's products results in a 10% decrease in the product's total unit sales. The variable production cost of this product is ₱12.60 per unit and the variable selling and administrative cost is ₱4.90 per unit. The product's profit-maximizing price is closest to: