A firm deals with two kinds of fruit juices-pineapple and the, orange juice. These are mixed and two types of mixtures are obtained which is sold as soft drinks `A` and `B`, One tin of `A` need `4` litres of pineapple juice and `1` litre of orange juice. One tin of `B` needs `2` litres of pineapple and `3` litres of oranges juice. The firm has only `46` litres of pineapple juice and `24` litres of orange jụice. Each tin of `A` and `B` is sold at a profit of Rs.` 4` /- and Rs. `3` /-respectively. How many tins of `A` and `B` should the firm produce to maximise profiț? Formulate the linear programming problem and solve it graphically.