Answered: QUEST Write a full program for an…

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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Transcribed Image Text:QUESTION 1 Write a full program for an electrical shop based on the following information whereby a class Electitem has the following attributes and methods: Attributes: • Product item (television, washing machine, fridge, oven, fan) • Brand name (Panasonic, Toshiba and Samsung) • Item code (identification number) • Cost Price (Buying price) • Selling Price • Fixed discount rate of 5.5% for brand named Panasonic • Fixed discount rate of 4.5% for brand named Toshiba Fixed discount rate of 3.5% for brand named Samsung Methods : • Default constructor • Normal constructor • Mutator method • Accessor for every data member • A printer method to display all the information about the object • A processor that return the discounted selling price based on brand name using the formula: Discounted selling price (RM) = selling price – (selling price * discount rate) • A processor to calculate the profit percentage of the electrical item using the formula: Profit percentage (%) = ((selling price - cost price)/cost price) * 100 • A printer method to display all information about the object Main Program: • Declare an array of Electitem class that can holds up to 100 objects. • Read all information to an array until the user says no. • Count the actual number of records entered Display all records on the screen. Calculate and display the total of overall discounted selling price (RM) for every brand. • Calculate and display on the screen; the total percentage of profit for oven.

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