____ are costs that do not change in total when production volume increases or decreases within the relevant range

It is widely accepted in the United States that men and women can have a work relationship which does not have a sexual component

Indicate whether the statement is true or false.

Which of the following statements about botnets is not true?

A) Eighty percent of the world's malware is delivered by botnets. B) Botnets are often used to perpetrate DDoS attacks. C) Ninety percent of the world's spam is delivered by botnets. D) Botnets are often used for click fraud. E) It is not possible to make a smartphone part of a botnet.