The sum of payments made to resource owners for the use of their resources is

Screening refers to

a. private schools selecting only the students who are easiest to teach b. employers requiring a high-school diploma as a way of rejecting unqualified applicants c. governments deciding who should receive health care d. universities using standardized testing to decide who should enter e. none of the above

Which of the following is infrastructure?

a. Schools. b. Roads. c. Public health and sanitation services. d. All of these.