WatWoodYuDU, Inc. must produce at least 500 bar stools and 1,200 step stools. They must also produce at most 3,000 ottoman. The company owns two factories located in Imus and Bacoor. The factory in Imus produces 20, 40 and 60 units of bar stools, step stools, and ottoman, respectively, each day. Bacoor factory produces 10, 30 and 50, respectively, each day. If the factory in Imus costs P86,000 per day to operate and Bacoor costs P75,000 per day, find the number of days each factory should operate to minimize the cost yet meet the requirements for production. What is the minimum cost?