Question 1
Hi Phi Sound Unlimited has a monopoly over the installation of surround sound systems. If Hi Phi Unlimited's total revenue from installing 15 sound systems is $30,000 and its total revenue from installing 18 sound systems is $33,000, what is the marginal revenue of the eighteenth sound system?
◦ -$3,000
◦ $1,000
◦ $1,500
◦ $3,000
Question 2
Refer to the information provided in Figure 13.2 below to answer the question(s) that follow.


Refer to Figure 13.2. The marginal revenue of the fourth pound of cheese is
◦ $1.
◦ $3.
◦ $6.
◦ $24.