in C++

3. Writing a list of sales Write a program that will open (create) a new file named "sales.txt", and will do this: a) Ask the user how many days of sales will be registered (integer). b) Write in the file this number in a single line. c) Make a loop for all days on which the program will: - Ask for the sales for the next day (float). - Write in the file a line with the sales