The Relationship Between Interest Rates as a Percent (X) and Housing

The relationship between interest rates as a percent (X) and housing starts (Y) is given by the linear
Equation Y' = 4094 - 269X.
What happens to housing starts as interest rates fall? For what interest rate will the maximum
Number of housing starts be achieved?

A) Housing starts remain the same; 0%
B) Housing starts rise; 0%
C) Housing starts fall; 10%
D) Housing starts rise; 15%