Steps & Rungs Inc. makes ladders. Ty discovers that his Steps & Rungs ladder is defective and sues the maker for product liability based on strict liability. To win, Ty must show that
a. Ty is normally engaged in the business use of ladders.
b. Ty bought the ladder from Steps & Rungs.
c. the ladder was in a defective condition when Steps & Rungs sold it.
d. all of the choices