An address book has a list of addresses
I guess the correct answer to your question is 15.
Answer:
Answer is extranet.
Refer below.
Explanation:
You manage the IT department at a small startup Internet advertiser. You need to set up an inexpensive system that allows customers to see real-time statistics such as views and click-throughs about their current banner ads. The type of system will most efficiently provide a solution is Extranet.
You use conditional formatting on a cell if the numbers are less then zero.