Capital Markets Forecasts: Potential GDP, Output Gap, and Actual GDP (Calculated) Assume that output gap is $1 trillion. Also assume that GDP was $19 trillion 10 years ago, that it was running at full potential at that time, and the trend growth rate is 3.4% per year. What is actual GDP? How to enter answer: Your answer should be entered as a decimal in trillions in TWO decimal places without the dollar sign. For instance, if actual GDP is $23.42 trillion, then you should enter 23.42