Write a main function that must call your other functions so that your program runs all required components of this Automatic Invoice Generator. Do not forget to add the main guard to ensure that the main() function does not get executed if your program is imported by some other program. A complete sample run of this program is available in section 3. I need help in part 8. 7. Write a function named display_final_invoice() that applies a randomly generateddiscount to a lucky customer (decided by the get_lucky() function in 6.) and prints theupdated final invoice as follows.Congratulations!Good news, you have been qualified for a 10% discount!Here is your final receipt!==============================:============Spiked Umbrella x 3Voice Changer x 3Spy Camerа х 221.7516.5030.00Subtotal (old):Subtotal (new):68.2561.42Discount:6.83Тах:7.99Total:69.41====================8. Write a main function that must call your other functions so that your program runs all requiredcomponents of this Automatic Invoice Generator. Do not forget to add the main guard to ensurethat the main() function does not get executed if your program is imported by some otherprogram. A complete sample run of this program is available in section 3.

Write a main function that must call your other functions so that your program runs all required components of this Automatic Invoice Generator. Do not forget to add the main guard to ensure that the main() function does not get executed if your program is imported by some other program. A complete sample run of this program is available in section 3.

Write a main function that must call your other functions so that your program runs all required components of this Automatic Invoice Generator. Do not forget to add the main guard to ensure that the main() function does not get executed if your program is imported by some other program. A complete sample run of this program is available in section 3.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter6: User-defined Functions

Section: Chapter Questions

Problem 19PE

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