Hence, the
manufacturer has to produce 4 units of each item to get the maximum profit of Rs 4000 Example 11 (Transportation problem) There are two factories  located one at
place P and the other at place Q From these locations, a certain commodity is to be
delivered to each of the three depots situated at A, B and C The weekly requirements
of the depots are respectively 5, 5 and 4 units of the commodity while the production
capacity of the factories at P and Q are respectively 8 and 6 units