Identify the economic indicators described below. a, used to check measurements of real GDP and search for potential warning signs from income data O real GDP O nominal GDP O the unemployment rate real GDI b. the chief measure of labor market performance business confidence non-farm payrolls O inflation the unemployment rate c. signals directional changes in the labor market on a weekly basis O real GDP inflation initial unemployment claims O the employment cost index d. surveys of how investors and households feel about the economy consumer confidence American Community Survey business confidence Big Mac IndexIdentify the economic indicators described below. a, used to check measurements of real GDP and search for potential warning signs from income data O real GDP O nominal GDP O the unemployment rate real GDI b. the chief measure of labor market performance business confidence non-farm payrolls O inflation the unemployment rate c. signals directional changes in the labor market on a weekly basis O real GDP inflation initial unemployment claims O the employment cost index d. surveys of how investors and households feel about the economy consumer confidence American Community Survey business confidence Big Mac Index