For more complicated tax scenarios, or situations involving fraud, it is recommended that you keep your records for at least seven years. (rocketlawyer.com)
The calculator also includes 2016 tax scenarios for capital gains tax rates. (mydollarplan.com)
Large value declines of solar PV in a high carbon tax scenario when changing from policies excluding nuclear and CCS (green line) to policies including all options (orange line). (energypost.eu)