. A jewelry store makes necklaces and bracelets from gold and platinum. The store has 20 ounces of gold, 24 ounces of platinum. Each necklace requires 6 ounces of gold 3 ounces of platinum, whereas each bracelet requires 2 ounces of gold and 5 ounces of platinum. The store has to use a minimum of two ounces of gold. The demand for bracelet is no less than three. A necklace earns $375 in profit and a bracelet, $225. The ration between necklace and bracelet is 1 to 2. Formulate a linear programming model for this problem with an appropriate objective function