Call it the Battle of Bernie vs. Bezos. And Team Bezos is firing back.

On Wednesday, Amazon encouraged employees at its fulfillment centers to take up Sen. Bernie Sanders, I-Vermont, on his call for them to share their views on working for the online retailer.

Amazon is on a tear, and Chief Executive Jeff Bezos is the world’s richest man, with a net worth of about $155 billion.

“Senator Sanders continues to make inaccurate and misleading accusations against Amazon,” said the company in a corporate blog post. “We are encouraging all employees to take Senator Sanders up on his request and respond with their actual experience.”

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Amazon got riled up after Sanders asked for Amazon employees to share their workplace talks in an online form on his own website.

Sanders said that despite Amazon’s success, and Bezos’ wealth, “Bezos continues to pay many thousands of his Amazon employees wages that are so low that they are forced to depend on taxpayer-funded programs such as food stamps, Medicaid and subsidized housing to survive.”

Sanders’ statement added: “Have you used public assistance, such as food stamps, Medicaid or subsidized housing, in order to make ends meet? Did you struggle with the demanding working conditions at Amazon? Please share your story below.”

According to congressional news site the Hill, Sanders wrote a letter to Bezos in June. Sanders said his staff members have fielded multiple calls and reports from Amazon warehouse employees saying that they struggle to make ends meet, and have to take on federal assistance such as food stamps, despite often working 10-hour-long days.

Last week, Sanders said he plans to introduce federal legislation that would require Amazon, and other large corporations, to fully cover the cost of employees’ food stamps, Medicaid and other government assistance programs.

In response, Amazon noted that it has contacted Sanders’ office and “offered several opportunities” for Sanders and his staff to tour an Amazon fulfillment center, but, so far Sanders has not set foot in one of the warehouses.

“Senator Sanders continues to play politics and makes misleading accusations,” Amazon said.

The company’s blog post said it offers a program called Career Choice that “pre-pays 95 percent of tuition, fees and textbooks, for education courses” in certain fields, and that in the United States, “the average hourly wage for a full-time associate in our fulfillment centers, including cash, stock, and incentive bonuses, is over $15/hour before overtime.”

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Proposal emerges for Amazon-linked San Jose site Sanders isn’t alone in his criticism of the company. Amazon was sued last week by a former contract delivery driver over working conditions that allegedly included no breaks or overtime pay.

Amazon has also been using social media to counter its negative image. It now has fulfillment-center “ambassadors” who tweet about how much they like working for the company. Amazon acknowledges that they are paid to do so.