3. A jewelry store makes necklaces and bracelets from gold and platinum. The store has 18 ouncesof gold and 20 ouncesof platinum Each necklacerequires3 ounces of gold and 2 ounces of platinum whereaseach braceletrequires2 ouncesof gold and 4 ouncesof platinum The demand for bracelets is no more than four. A necklace earns $300 in profit and a bracelet, $400. The store wants to determinethe numberof necklacesand braceletsto makein orderto maximize profit a. Formulatea linearprogrammingmodelfor this problem Solution maximize profit =300x + 400x subject to X+x X + x X IA X X