According to the Book,what Is the Purpose of Economic Analyses

According to the book,what is the purpose of economic analyses?

A) To anticipate political developments within and across countries.
B) To forecast exchange rates.
C) To assess the overall outlook for the economy and the impact of economic changes on the firm.
D) To anticipate the rate at which companies will develop new competitive strategies.
E) To provide well-paying jobs for economics graduates.