3_20_Salary_Calculator.c

#include <stdio.h>

int main()
{
    // variable declarations
    int hoursWorked = 0;
    int overtimeHours = 0;
    float hourlyRate = 0;
    float overtimeRate = 0;
    float overtimePay = 0;
    float salary = 0;

    while (hoursWorked != -1)
    {
        salary = 0; // clear the salary variable of former data

        printf("%s", "Enter # of hours worked (-1 to end): ");
        scanf("%d", &hoursWorked);

        if (hoursWorked == -1)
        {
            // User wants to exit the program
            printf("Thank you for using our Salary Calculator");
            return 0;
        }

        printf("%s", "Enter hourly rate of the worker ($00.00): ");
        scanf("%f", &hourlyRate);

        if (hoursWorked <= 40)
        {
            salary = (hoursWorked * hourlyRate);
        }
        else if (hoursWorked > 40)
        {
            salary = (40 * hourlyRate); // Pay the straight rate for the 40 hours

            overtimeHours = hoursWorked - 40; // Calculate the extra hours the worker worked

            overtimeRate = 1.5 * hourlyRate; // Calculate the rate for the new hours - "time and a half"

            overtimePay = overtimeHours * overtimeRate; // calculate the extra money earned

            salary = salary + overtimePay; // add regular and overtime pay together
        }

        // display salary
        printf("Salary is $%.2f", salary);

        printf("%s", "\n\n");
    }
}