CFS Tax Tools will do it. Granted, you do have to pay for the program, but, imo, it's worth it. Use the Tax Planner module, set the number of projection years to 2, set the Start Year to 2017 (or leave it blank. Enter the 2018 figures under both column headers, 2017 and 2018. The 2018 result should be the same as the Lacerte results. The 2017 results will show the results under prior law.