3.0 a. Write a Powershell script (in a .ps1 file) called greeting that prints a greeting to the user -- perhaps "Good morning" or something similar. Remember to set the file permissions to allow execution [See Class Note Page 21]. Note : commands in the script file do not need to end with semi-colons. (They are PowerShell commands, not C statements.) b. Now modify your script greeting so that it greets the user by (user) name, prints the current date, and prints the user currently logged onto the computer. For example, your output might look similar to the following: Good Morning compadmin Now it is 02/18/2023 19:21:46 User in machine ADMIN-PC4 is compadmin