//DISPLAY 4.13 Formal Parameter Used as a Local Variable
//Law office billing program.
#include <iostream>
using namespace std;

const double RATE = 150.00; //Dollars per quarter hour.

double fee(int hoursWorked, int minutesWorked);
//Returns the charges for hoursWorked hours and
//minutesWorked minutes of legal services.

int main( )
{
    int hours, minutes;
    double bill;
    cout << "Welcome to the offices of\n"
         << "Dewey, Cheatham, and Howe.\n"
         << "The law office with a heart.\n"
         << "Enter the hours and minutes"
         << " of your consultation:\n";
    cin >> hours >> minutes;

    bill = fee(hours, minutes);

    cout.setf(ios::fixed);
    cout.setf(ios::showpoint);
    cout.precision(2);
    cout << "For " << hours << " hours and " << minutes
         << " minutes, your bill is $" << bill << endl;

    return 0;
}

double fee(int hoursWorked, int minutesWorked)
{
    int quarterHours;

    minutesWorked = hoursWorked*60 + minutesWorked;
    quarterHours = minutesWorked/15;
    return (quarterHours*RATE);
}