Explain and evaluate the following statements: a. the invention of money is one of the great achievements of humankind, for without it the enrichment that comes from broadening trade would have been impossible. b. money is whatever society says it is. c. in most economies of the world, the debts of government and commercial banks are used as money.

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;

if it is for a job, then you should learn everything you can about the job, like what does it involve, what qualification is required and how you are the right person for that job. dress appropriately for the interview. get plenty of rest the night before. good luck!

answer; by looking at total product,marginal product,and changes in both after changes in inputs