/* Program to read hours worked for each of a company's employees, and
   print the salary owing to each one.
*/

#include <stdio.h>

main () {
    float hours, salary;

    printf("Enter hours worked for an employee (-1 to finish): ");
    scanf("%f", &hours);

    while (hours != -1.) {
        if (hours <= 40.) {
            salary = hours * 25;  /* $25/hour up to 40 hours */
        } else {
            salary = 40 * 25 + (hours - 40) * 35;
                                  /* $25/hour for first 40, then $35/hour */
        }
        printf("Salary is %.2f\n\n", salary);

        printf("Enter hours worked for an employee (-1 to finish): ");
        scanf("%f", &hours);
    }
}