D's Fruit Juice is the Philippine's leading producer of pineapple juice. It operates a factory In Negros Occidental where it purchases 90% of the pineapple output of the pineapple farmers. The market rate for pineapples is P150 per kilo. D's Fruit Juice is bargaining with the farmers and their coopera5ves to sell the pineapples to them at P70 per kilo, or else, it will buy pineapples from other sources. Is this proposal legal