python Write a program that uses a custom function to return the cost of purchasing an item, possibly in multiple quantities.  The item might be subject to 7% sales tax. The main function should prompt the user to enter the quantity, unit price, and taxable data. The main function should call the custom function  with these three inputs as arguments and print the cost of the purchase in currency format.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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python

Write a program that uses a custom function to return the cost of purchasing an item, possibly in multiple quantities.  The item might be subject to 7% sales tax. The main function should prompt the user to enter the quantity, unit price, and taxable data. The main function should call the custom function  with these three inputs as arguments and print the cost of the purchase in currency format. See Sample Output (user inputs shown in boldface).


Sample Output
Enter the quantity 10
Enter the unit price 5.00
Is item subject to 7% tax y/n? y
Amount due is $53.50

 

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