Q:Here's a short story: To save money, the contractor stopped buying the costlier wall supports he was required to use and started using some cheaper ones instead. As a result, several roofs collapsed. Which wall supports were thinner? (A) The expensive wall supports were thinner (B) The cheaper wall supports were thinner.  What is the most sensical answer between "Cheaper wall supports" and  "Pricier wall supports"?
A:
Pricier wall supports