The four factors of production are the resources of land, labor, capital and

a. technology.

b. services.

c. work people do.

d. entrepreneurship.

The correct answer is letter D.

Explanation:  Production factors are the set of elements indispensable for a productive process, be it a good or service. The theory of factors of production is the basis of economic studies.

Traditionally, economists have identified three key factors in producing a good or service: land, labor, and capital. New economic theories were subsequently added to this division.

answer; /// the only one thats make little sense is (c) fair credit billing act;

the telephone is the answer