Company A produces model S and model T machines for its customer ...

Company A produces model S and model T machines for its customer. Model S generates $5 million sales from each unit while model T generates $7 million for each unit. Raw materials needed for each model and availability of raw materials are given in the following table.

Raw Materials

Tons of raw material   for each machine

Maximum availability   (tons)

Model S

Model T

Steel

1

0

6

Copper

2

3

19

Composite

1

1

8

Formulate as a LP model and use the graphical method of generating the optimal solution for determining the maximum amount of sales, which can be produced by Company A.