②→ __a hair salon requires owners to obtain a business license and any permits necessary.
Operator
Operates
Operating 

③→ A salon requires several __ of equipment, such as beauty supplies, sinks, chairs, and hair dryers. 

piece
peace
pieces 

④→ Hairstylists need salaries or wages and employee __ to help maintain motivation.
benefit
benefits
beneficial

⑤→ 名古屋伏見英会話スクール ロケイシャス (LoQuacious) has a well-rounded business technique and __.
consists
consistent 
consistency