In an interview in July $2020,$ during the Covid$-19$ pandemic, Federal Reserve Bank of Dallas President Robert Kaplan stated: "I just don't want to pull out one objective $...$ pulling out inflation $...$ without regard to other considerations, and without regard to the second part of the dual mandate."

What was Kaplan referring to as the "second part of the dual mandate"?

A$.$ Low interest rates

B$.$ High employment

C$.$ High $$xchange rates

D$.$ Low taxes