// This program calculates gross pay.
#include <iostream>
#include <iomanip>
using namespace std;

// Global constant.
const double PAY_RATE = 22.55;
const double BASE_HOURS = 40.0;
const double OT_MULTIPLIER = 1.5;

// Function prototypes.
double getBasePay(double);
double getOvertimePay(double);

int main()
{
    double hours,
        basePay,
        overtime = 0.0,
        totalPay;

    // Get the number of hours worked.
    cout << "How many hours did you work? ";
    cin >> hours;

    // Get the amount of base pay.
    basePay = getBasePay(hours);

    // Get overtime pay, if any.
    if (hours > BASE_HOURS)
    {
        overtime = getOvertimePay(hours);
    }

    // Calculate the total pay.
    totalPay = basePay + overtime;

    // Set up numeric formatting.
    cout << fixed << showpoint << setprecision(2);

    // Display the pay.
    cout << "Base pay: $" << basePay << endl;
    cout << "Overtime pay: $" << overtime << endl;
    cout << "Total pay: $" << totalPay << endl;
}

//**************************************************
// The getBasePay function accepts the number of    *
// hours worked as an argument and returns the      *
// employee's pay for non-overtime hours.           *
//**************************************************

double getBasePay(double hoursWorked)
{
    double basePay; // To hold base pay.

    // Determine base pay.
    if (hoursWorked > BASE_HOURS)
    {
        basePay = BASE_HOURS * PAY_RATE;
    }
    else
    {
        basePay = hoursWorked * PAY_RATE;
    }
    return basePay;
}

//**************************************************
// The getOvertimepPay function accepts the number  *
// of hours worked as an argument and returns the   *
// employee's overtime pay.                     *
//**************************************************

double getOvertimePay(double hoursWorked)
{
    double overtimePay; // To hold the overtime pay.

    // Determine overtime pay.
    if (hoursWorked > BASE_HOURS)
    {
        overtimePay = (hoursWorked - BASE_HOURS) *
            PAY_RATE * OT_MULTIPLIER;
    }
    else
    {
        overtimePay = 0.0;
    }

    return overtimePay;
}