The following are from the Algorithm Workbench in your book on page 140. You are

Question

The following are from the Algorithm Workbench in your book on page 140. You are to complete one of these three for your practice program 25. A retail store grants its customers a maximum amount of credit. Each customer's available credit is his or her maximum amount of credit minus the amount of credit used. Write a pseudocode algorithm for a program that asks for a customer's maximum amount of credit and amount of credit used. The program should then display the customer's available credit After you write the pseudocode algorithm, convert it to a complete C++ program.

Explanation / Answer

Algorithm

Function calculateAvailableCredit()

BEGIN

    max_credit = ask user to enter maximum credit

   

credit_used = ask user to enter amount of credit used

    // calculate the amount of credit available

    credit_available = max_credit – credit_used

    print(“Credit Available : $” + credit_available)

END

Code

#include<iostream>

using namespace std;

int main()

{

    double max_credit, credit_used;

   

    cout<<"Enter the maximum credit : $";

   

    // get user input

    cin>>max_credit;

   

    cout<<"Enter the amount of credit used : $";

   

    // get user input

    cin>>credit_used;

   

    // calculate the amount of credit available

    double credit_available = max_credit - credit_used;

   

    cout<<"Credit Available : $"<<credit_available;

      

    return 0;

}

Sample Output

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