Consider two goods, R and S. When the price of good R rises, the demand for good S increases. It can therefore be concluded that both goods are:

a.perfectly elastic in demand.

b.complements in production for each other (in joint supply).

c.substitutes in consumption for each other.

d.complements in consumption for each other.

Which of the following is a question answered with positive economic analysis?

a.Should the college reduce tuition for out-of-state residents?

b.Should the college charge higher tuition for part-time students?

c.If the college increased its eligibility requirements for enrollment, will class sizes decline?

d.Should the college eliminate its athletic program to cut its costs?