This is the 168th most frequent Bulgarian word.
цената
The price.
The word '\"цената\"' in this question is asking about the monetary charge for a service, namely delivery.
Можете ли да ми кажете каква е цената за доставка?
Can you tell me what the delivery cost is?
The word '\"цената\"' refers to the cost or monetary value of the book in this context.
Цената на книгата е двадесет лева.
The price of the book is twenty leva.
The word '\"цената\"' is used metaphorically to indicate the effort or sacrifices required for success.