Explicit costs a. Require an outlay of money by the firm. b. Include all the firm’s opportunity costs. c. Include income that is forgone by the firm’s owners. d. All of the above are correct.

a. Require an outlay of money by the firm.

Explanation:

Explicit cost involves where money is paid directly to others when running a business. An example is payment of materials, rent, salaries. It requires an outlay of money by the firm.

rational decision making is a multi-step process for making choices between alternatives. the process of rational decision making favors logic, objectivity, and analysis over subjectivity and insight. the word “rational” in this context does not mean sane or clear-headed as it does in the colloquial sense.

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answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.