Thus, if the revised purchase orders of the clients are given by A1, then the firm
can easily supply the purchase orders of the two clients ANote One may further modify A so as to make full use of the available
raw material Query Can we make a mathematical model with a given B and with fixed quantities of
the available raw material that can help the firm owner to ask the clients to modify their
orders in such a way that the firm makes the full use of its available raw material The answer to this query is given in the following example:
Example 4 Suppose P1, P2, P3 and R1, R2, R3 are as in Example 2