<p>When low-income Arizonans report problems with their welfare payments or food stamps, they call a toll-free number provided by the state.</p>
<p>A helpful person in India or Mexico answers.</p>
<p>Under a seven-year contract totaling $30 million, calls from Arizona go either to an automated answer line, where most questions are resolved without human intervention, or to call centers abroad, where low-wage labor cuts the cost of providing live responses.</p>