Why can't W$-$G $-$P$\text{'}$s chemical processing plants adjust manufacturing volume to better match seasonal demand and capacity allocation to Prevention and Support products? multiple choice

A To limit overtime expenses, W$-$G$-$P must sustain a level production rate.

B $$Inbound raw materials are controlled by the capacity of the deepwater ports.

C $$Market demand is directly related to the intensity of rainfall.

D Continuous processes are highly inflexible.

E $$Contractual agreements require fixed capacity allocations.