With the passage of the new tax reform laws, the annual tax burden on low-income taxpayers will be reduced, on average, by anywhere from $100 to $300. Clearly, tax reform is in the interest of low-income taxpayers. Which one of the following, if true, most undermines the conclusion above? ['Low-income taxpayers have consistently voted for those political candidates who are strong advocates of tax reform.', 'Under the new tax reform laws, many low-income taxpayers who now pay taxes will no longer be required to do so.', 'Tax reform, by eliminating tax incentives to build rental housing, will push up rents an average of about $40 per month for low-income taxpayers.', 'The new tax reform laws will permit low-and middle-income taxpayers to deduct child-care expenses from their taxes.']