3. Which of the following statements about the marginal product of labour is correct? A. It may either rise or fall as more labour is used.
B. It always rises as more labour is used.
C. It always falls as more labour is used.
D. There is no relationship between marginal product and labour.

Upon completion of the northwest-corner rule, which source-destination cell is guaranteed to be occupied? a. top-leftb. the cell with the lowest shipping costc. bottom-leftd. top-righte. bottom-right

When the benefit of one particular use of a resource is greater than the opportunity cost, then that resource is which of the following? a. not scarce b. being used efficiently c. a normal good d. non-excludable

What are examples of career fields skillsusa prepares students for? check all that apply. health science education agriculture construction manufacturing transportation information technology public safety multiple choice: health science education agriculture construction manufacturing transportation information technology public safety