7. Long-Distance CallsA long-distance provider charges the following rates for telephone calls:Rate CategoryRate per MinuteDaytime (6:00 A.M. through 5:59 p.M.)$0.07Evening (6:00 p.M. through 11:59 p.M.)$0.12Off-Peak (midnight through 5:59 a.M.)$0.05Write a GUI application that allows the user to select a rate category (from a set of radiobuttons), and enter the number of minutes of the call into an Entry widget. An info dialogbox should display the charge for the call.

A long-distance provider charges the following rates for telephone calls: Rate Category Rate per Minute Daytime (6:00 A.M. through 5:59 p.M.) $0.07 Evening (6:00 P.M. through 11:59 p.M.) Off-Peak (midnight through 5:59 a.M.) $0.12 $0.05 Write a GUI application that allows the user to select a rate category (from a set of radio buttons), and enter the number of minutes of the call into an Entry widget. An info dialog box should display the charge for the call.

A long-distance provider charges the following rates for telephone calls: Rate Category Rate per Minute Daytime (6:00 A.M. through 5:59 p.M.) $0.07 Evening (6:00 P.M. through 11:59 p.M.) Off-Peak (midnight through 5:59 a.M.) $0.12 $0.05 Write a GUI application that allows the user to select a rate category (from a set of radio buttons), and enter the number of minutes of the call into an Entry widget. An info dialog box should display the charge for the call.

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

Section: Chapter Questions

Problem 1PE

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Concept explainers

Running Time of Application

The application has a feature called running time. It is one of the parameters for measuring its performance. It is written in a particular language and is designed to perform a specific task. Applications run in a specific environment. The execution of the business will depend on the application’s running time. It must be optimized in order to get the maximum benefits out of the application.

Question

7. Long-Distance Calls
A long-distance provider charges the following rates for telephone calls:
Rate Category
Rate per Minute
Daytime (6:00 A.M. through 5:59 p.M.)
$0.07
Evening (6:00 p.M. through 11:59 p.M.)
$0.12
Off-Peak (midnight through 5:59 a.M.)
$0.05
Write a GUI application that allows the user to select a rate category (from a set of radio
buttons), and enter the number of minutes of the call into an Entry widget. An info dialog
box should display the charge for the call.

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