Oregon voters will decide on a corporate tax increase that could give residents a universal basic income.Grace Cary/Getty ImagesOregon residents will soon vote on a corporate tax increase to give them a universal basic income.Businesses have spent millions to oppose the 3% tax on corporate sales over $25 million.Both Democrats and Republicans say the measure could harm the state budget and essential services.Oregon businesses are spending big to oppose a ballot measure that would tax corporations and give residents $1,600 a year in a rebate program that is similar to a universal basic income.And lawmakers, both Democrats and Republicans, seem to agree.