Select the correct answer.
john wants to add an employee to his event management crew. what is the marginal cost of this decision?
a.
the total revenue created by the new member
b.
the salary to be paid to the new member
c.
the salary paid to the existing crewmembers
d.
the total salary paid to the crew and the new member
e.
the total cost of the entire event

Which action bestillustrates the process of making an interpretation? a. a historian reads a secondary source about the cold war to find out the dates and locations of important historical occurrences. important historical occurrences, b. a historian publishes a popular article about racism in 20th- century south africa but does not cite any sources. c. a historian writes a textbook designed to teach college students about the duties of a professional historian. d. a historian reads speeches by english and french leaders during world war il to differentiate between their content and tone.