Three salesmen work for the same company, selling the same product. And, although they are all paid on a weekly basis, each salesman earns his paycheck differently, Salesman A works strictly on commission. He earns $65 per sale, with a maximum weekly commission of $1,300.
Salesman Bearns a weekly base salary of $300, plus a commission of $40 per sale. There are no limits on the amount of commission he can earn.
Salesman does not earn any commission. His weekly salary is $900,
The weekly paycheck amount for each salesman, is a function of the number of sales, s, they had in that week
Salesman A
Salesman B
Salesman C

S=0 (0, ___) (0,___) (0,___)
S=1 (1,___) (1,___) (1,___)
S=10 (10,___) (10,___) (10,___)