A manufacturer of microcomputers produces four models: Portable, Student, Office, and Network.

The profit per unit on each of these four models is $$500,$ $$350,$ $$700,$ and $$1000,$ respectively. The

models require the labor and materials per unit shown in the table. Furthermore, the manufacturer

needs to produce at least $150$ microcomputers of student and office models. Formulate this product

mix problem using linear programming.

Portable Student Office Network Total

Labor $($hrs$/$week$)55684000$

Chassis $($unit$/$week$)1111400$

Disk Drive $($unit$/$week$)2121300$

Hard Disk $($unit$/$week$)---120$

Memory Chip $($unit$/$week$)168326422,000$

Circuit Bds$.($unit$/$week$)112410,000$