He wants to know how many tables and chairs he should buy
from the available money so as to maximise his total profit, assuming that he can sell all
the items which he buys Such type of problems which seek to maximise (or, minimise) profit (or, cost) form
a general class of problems called optimisation problems Thus, an optimisation
problem may involve finding maximum profit, minimum cost, or minimum use of
resources etc A special but a very important class of optimisation problems is linear programming
problem