How can KT$\text{'}$s Wicked Dive Shop improve its social impact through its supplier relationships?

Both $(1)$ and $(3)$

$(3)$ Require vendors to sign a code of conduct that upholds their commitment to ethical and sustainable business practices.

None of these

$(2)$ Source products globally without regard to supplier labor practices to provide customers with the best value possible.

$(1)$ Work with vendors to ensure they do not use upstream suppliers that utilize child or slave labor.