How can a binary decision variable be defined in terms of whether a setup is performed to initiate the production of a certain product? Group of answer choices When there are only two choices, a value of 1 is assigned if the setup is performed, and a value of 0 is assigned if the setup is not performed. When there are only two choices, a value of 1 is assigned if a certain number of the setup is performed, and a value of 0 is assigned if a certain number of the setup is not performed. When there are only two choices, a value of 1 is assigned if all decision variables are based on a certain number of the setup to be performed, and a value of 0 is assigned if all the decision variables are not based on a certain number of the setup to be performed. When there are only two choices, a value of 1 is assigned if the objective function is based on a certain number of the setup to be performed, and a value of 0 is assigned if the objective function is not based on a certain number of the setup to be