A clinic faces a demand equation of Visits = 600 - 4.5 x Price. Which of the following statements is true?

Select one:

a.

Revenue is smallest when price equals $70.

b.

Revenue is highest when price equals $100.

c.

Cutting price from $80 to $70 will increase sales and revenue.

d.

Raising price from $80 to $90 will reduce sales but increase revenue.