What does this statement mean: "Our natural and decision and negotiation processes contain biases that prevent us from acting rationally." a. We often make mistakes in our thinking or reasoning that prevent us from getting as much as we can out of a negotiation. b. We often make certain assumptions that keep us from recognizing and taking advantage of opportunities in negotiations. c. Our biases often impact the process and outcome of negotiation. d. All of the above e. None of the above