Question 2: Area Code of a Phone Number Phone numbers are usually administrated at a national level. An area code of a phone number can be used to determine if a 10-digit Canadian phone number is local or within a specific region, as shown below. The first three digits of a phone number are considered an area code. Currently, the area code in Greater Toronto Area (GTA) is 416,437 , or 647. Fig,1: Area codes in Southern Ontaro (Source; Canadian Numbering Admnstrator) Write a function sta-number? that consumes a phone number and produces a Boolean value (true if the number is in GTA and false otherwise). You can assume the phone number given is a valid 10 -digit number, so you do not need to check the format, such as length and sign. For example