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 below.

	Portable	Student	Office	Network	Total
Labor (hrs/week)	5	5	6	8	4000
Chassis (unit/week)	1	1	1	1	400
Disk Drive (unit/week)	2	1	2	1	300
Hard Disk (unit/week)	0	0	0	1	20
Memory Chip (unit/week)	16	8	32	64	22,000
Circuit Bds. (unit/week)	1	1	2	4	10,000

What is the profit per week? [a]