A phonebook typically lists the name, address, and telephone number of everyone living in an area. Write code defining a structure template that could be used to store this data. Assume that a name and address will be no more than 30 characters each, and that a telephone number has exactly seven digits.

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).