to formulate the capacitated plant location problem with single sourcing (i.e., each demand point is only served by one facility), which of the following decision variables would you define? A: Yi=1 if factory i is open; 0 otherwise. B: Yi= 1if demand j node is served by supply node i ; 0 otherwise. C: Xij= quantity shipping from supply node i to demand node j . D: Fi = annualized fixed cost for operating location i . E: Cij cost of producing and shipping one unit from supply node i to demand node j . Select 2 correct answer(s) Question 2 options: A B C D E