1. If Ms. James, in Exercise 69, had sales of $22,455 the next week, how much did she earn in commissions? 2. Does a sales tax represent a percent increase or decrease in the price a consumer pays for...

1. If Ms. James, in Exercise 69, had sales of $22,455 the next week, how much did she earn in commissions?

2. Does a sales tax represent a percent increase or decrease in the price a consumer pays for an item? Explain.

3. When a salesperson is working on commission, is it to his or her advantage to sell you a modestly priced item or an expensive item? Why?