In retail, life on the job often leads to a dead end

(MoneyWatch) Latoya Simpson did everything right -- and paid the price.

The 22-year-old was studying radiology at New York City College of Technology last year and making $13.50 an hour as a full-time cashier at Juicy Couture, in the women's apparel maker's Fifth Avenue store in midtown Manhattan. Then she said the company gave her a choice: Either make herself available to work more, which would require her to quit school, or go part-time, resulting in a big drop in pay. It wasn't that store managers wanted her to work more hours -- they just wanted her to be around in case they needed her.

Unable to make ends meet on a part-timer's income, she reluctantly set aside her studie