With no explanation, chose the best option from "A", "B", "C" or "D". Employees Collective Bargaining Act, §§ 39-31-101 through 505, MCA, imposes a duty on Montana public employers to bargain collectively, and in good faith, with their employees on the subjects of “wages, hours, fringe benefits, and other conditions of employment....” Section 39-31-305, MCA. An employer who “refuse[s] to bargain collectively in good faith” commits an “unfair labor practice.” Section 39-31-401(5), MCA. ¶11 The obligation to bargain collectively extends only to the terms and conditions of employment of current employees, and does not extend to the terms and conditions of employment conferred on non-employees. Allied Chem. & Alkali Workers v. Pittsburgh Plate Glass Co., 404 U.S. 157, 164 (1971); see also Star Tribune, 295 N.L.R.B. 543, 547, 131 L.R.R.M. 1404, 1408 (1989) (<HOLDING>). The terms and conditions offered by an

A: holding that opening day and duty days were not mandatory subjects of collective bargaining
B: recognizing that shall will and must are all mandatory terms
C: holding that implementation and termination of safety incentive programs were mandatory subjects of collective negotiations
D: holding that the terms and conditions placed on applicants are not subjects of mandatory bargaining
D.