Which of the following markets are closest to perfectly competitive​

A) ​The market for smart phones
B) The market for generic pharmaceuticals
C) The market for sport shoes
D) ​The market for fast food

Perfectly Competitive

A perfectly competitive market is one where there are many sellers and buyers, homogeneous products, and no barriers to entry or exit, resulting in market prices determined by supply and demand.

Generic Pharmaceuticals

Medications marketed without brand names and often sold at lower prices than their branded counterparts, but contain the same active ingredients.

Smart Phones

Advanced mobile phones with extensive computing abilities, including internet access, app functionality, and touchscreen interface.