2. During economic expansions economists, investors and policy makers are always watching out for signals of the next recession. Any forecast of a turning point in the business cycle is, in part, predicated on an expected reduction in the planned spending of the private sector. First, explain why would a decline in planned spending be seen as a sign of coming weakness in GDP and the economy? Second, considering that GDP is broken into four components C, I, G, NX which of the subcomponents of these four general categories would most likely be the focus of the analysis, and why