Q14. A dealer in rural area wishes to purchase a number of sewing machines. He has only ₹57600 to invest and has space for atmost 20 items. An electronic sewing machine costs him ₹3600 and a manually operated sewing machine ₹2400. He can sell an electronic sewing machine at a profit of ₹220 and a manually operated sewing machine at a profit of ₹180. Assuming that he can sell all the items that he can buy, how should he invest his money in order to maximize his profit. Make it as an L.P.P. and solve it graphically.
