A granite quarry provides a special type of granite with unique features $($color$,$ texture, etc.$)$ that has been featured in landmark buildings $($churches$,$ legislative halls, etc.$)$ around the globe. The interior designer and architect building and designing the new office for a Fortune $500$ firm want this granite $$ and only this granite $$ for the building project. Which of the following statements is most likely to be true?

The cost of the granite will be moderate because of economies of scale.

The cost of the granite will be expensive because of the bargaining power of the supplier.

The cost of the granite will be moderate because of the bargaining power of the buyer.

The cost of the granite will be expensive because of barriers to entry.