What is the ethical danger of using agents in negotiation?

What is the algorithm for building a binary tree program

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

The "instance" relationship shows that something is an object of a