How is the circular flow diagram of a mixed economy different from that of a free market economy? In a mixed economy ( is this right ) ??

Alex is the r& d manager with digital copier inc. the company is having a problem with one of its most popular copiers jamming. the vice president of marketing told alex that "we need to quickly discover how to turn this problem into a desirable situation. you need to determine the underlying cause of the problem and perhaps even make improvements to the copier." when alex analyzes the underlying causes of the paper-jam problem, which function is he performing? a. synergy b. diagnosis c. analytics d. feasibility e. mbo