The supply of seats for an economics class at 10 a. m. is the same as the supply of seats for the same class at noon. Every student who wants to attend this class at noon can, but there is a shortage of seats in the 10 a. m. class. If tuition does not vary by time of day, it follows that the demand for the 10 a. m. class is the demand for the noon class.

The answer is "greater then"

Explanation:

It supplies the economic seat at 10 a.m. or afternoon is identical.  It implies sufficient seating resources were able to meet demands around midday, and not enough seating was available to meet that request at 10 a.m.  

It remembers at 10 a.m and even at noon, there are many similar amounts of tickets, which implies that a 10 a.m. class prices are higher than the noon class requirement.

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hi there, i would say your answer is:

b. there is a fixed quantity of resources and technology available.

hope that : )