أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
A. the optimum quantities of the variables
B. the maximum profit or minimum cost that can be expected
C. both (a) and (b)
D. neither (a) nor (b)
E. None of the above
I believe both
C. both (a) and (b)