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Write a program that keeps a rudimentary appointment calendar for a year, for simplicity sake, you may assume that every month has 30 days. You should use a multi-dimensional array (you can decide what type the array will hold). When the program begins, allow the user to specify whether they want to start with a new calendar or use one that already may have some appointments in it. If they choose to use one that already exists, you should ask them for the name of the file it is stored in. Once you have the calendar to start with (new or one from a file), you should allow the user to do the following options as many times as they want: add a new appointment, remove an appointment, print the calendar, change an appointment. After the user is finished performing the above options as many times as they want and desires to quit, you should let them decide whether they want to save their calendar or not. If they choose to save their calendar, they should be able to specify the name of the file they want to save it to. Description of options: · Add a new appointment - Let the user specify the month and the day of the appointment (an appointment lasts for the whole day, we are not worrying about hours). Let the user specify the type of the appointment. You should decide on at least 5 different appointment categories for the user to choose from (ex: doctor, business, …). Set the array to illustrate the specified appointment type on the specified day. The user can only have one appointment per day, be sure not to set an appointment if the day is already full. · Remove an appointment - Let the user specify the month and the day of the appointment. Change the array so that the specified day does not have an appointment anymore. Be sure to let the user know if there was not an appointment scheduled for that day. · Show the calendar - Show the days and the appointment types in a way that is easy to understand and read. · Change an appointment - Change either the appointment day or the appointment type. Be sure that an appointment actually exists initially. !!There are instructions missing due to limited space!! !!A complete description can be found in the attached zip file!! ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform needs to run in Microsoft Visual C++ 6.0