South Dakota US Senator Mike Rounds said the Republican effort to make federal tax cuts from 2017 permanent will help the average South Dakota family. Rounds said the effort will save the average South Dakota family $2,400 annually. “We’re not making additional tax cuts. We’re just simply continuing existing tax rates that are already in effect. That’s the part that people seem to forget about," Rounds said. "If we don’t pass this bill, then those tax rates will go up.