Why do companies find dealing with high pressures for both, cost reductions and local responsiveness, a dificicult strategic challenge?

Select one:

a$.$ Cost reductions are inversely proportional to standardiration.

b$.$ Being locally responsive tends to raise costs.

c$.$ Cost reductions negatively impact maximization of single$-$plant utilization.

d$.$ As the quantity produced goes on increasing, it becomes more difficult for a company to achieve economies of scale.

e$.$ Customer tastes are usually identical across global markets.