An assessment test question given to OM intern applicants at Oregon State's O.H. Hinsdale Wave Research Lab, asks applicants to identify the disadvantage(s) of simulation. Answers provided by five applicants are listed below. Identify the best answer. a. Simulations typically don't yield optimal solutions. b. Simulations can be time consuming to develop or setup. c. Simulation leads to better understanding of the behavior of a real-world system. d. Simulation allows you to explore the implications of uncertainty in processes, e. Simulation can answer 'what-if questions. f. Both options 'a' and 'b' denote disadvantages of simulation