<span>All
electric-powered automobiles such as the Chevy spark are in the introductory stage
of their product life cycle. It is made
by the General Motors. The introductory stage is the first of the four product
cycle. Usually in this stage, it has a small market, limited competition and
fairy costly. </span>
<span> </span>
Inflation and Periods of Depression are the two main economic problems that keynesian economics seeks to address. So the answer in this question is Periods of depression and inflation. There are so many economic problems but the main is Inflation and Periods of Depression.
<span>The goal of scientific management is to find different ways to motivate workers. </span>
E is the correct answer
and you r welcome