One Year-Ahead-Forecasts for Real GDP

One year-ahead-forecasts for real GDP

A) reflect forecasters' beliefs about the determinants of potential GDP over the next year.
B) are usually equal to the current year's GDP.
C) are usually equal to a weighted average of real GDP over the past five years.
D) reflect what forecasters believe will happen to the different spending components of real GDP.
E) have no real use and are seldom done.