Other things the same, when the price level falls, interest rates

Question $14$ options:

a$)$

fall, which means consumers will want to spend more on homebuilding.

b$)$

rise, which means consumers will want to spend less on homebuilding.

c$)$

rise, which means consumers will want to spend more on homebuilding.

d$)$

fall, which means consumers will want to spend less on homebuilding.