In any given week, salesman A earns $65 per sale, so his paycheck amounts to 
(where 
).
Salesman B earns $40 per sale, with a weekly salary of $300, so in any given week this salesman earns
.
Salesman C earns a flat rate of $900 per week regardless of the number of sales, so his weekly pay is
.
Salesman B earns $40 per sale, with a weekly salary of $300, so in any given week this salesman earns
Salesman C earns a flat rate of $900 per week regardless of the number of sales, so his weekly pay is
