A manufacture makes two products A and B. product A sells at Rs.200 per unit and takes 30 minute to make. Product B sells at Rs.300 per unit and takes 1 hour to make. There is a permanent order of 14 units of product A and 16 unit of product B. A working week consists of 40 hours of production and the weekly turnover must not be less than Rs.10,000. if he profit on each unit of product A is Rs.20 and on product B is Rs.30, then find how many units of each product should be produced to get maximum profit. also find the maximum profit. solve the problem graphically.