/* June 09 */
/* program to compute total payroll and average payroll using While and 
Functions */

#include 

/* function prototype */
double calc_pay(double h, double r);

main ()
{
	/* declarations */
	int count_emp;		/* current employee */
	int number_emp;		/* number of employees */
	double total_pay;	/* company payroll */
        double rate;		/* hourly pay rate */
        double hours;		/* hours worked */
	double average;		/* average pay per employee */
	
	/* get number of employees */
        printf("Enter number employees> ");
        scanf("%d", &number_emp);

	/* calculates each employee's pay and add it to the payroll */
   	total_pay = 0.0;
        count_emp = 1;
        while (count_emp <= number_emp)
        {
        printf("Hours> ");
        scanf("%lf", &hours);
        printf("Rate> $");
        scanf("%lf", &rate);

	/* display each employee's pay */
        printf("Employee #%d's pay is $%6.2f\n\n", count_emp, 
calc_pay(hours, rate));

	/* Adds to the next pay */
        total_pay = total_pay + calc_pay(hours, rate);
        count_emp = count_emp +1;
	}
	/* display total payroll of all employees */
	printf("Total payroll is $%8.2f\n", total_pay);

	average = total_pay / number_emp;

	/* display average payroll per employee */
	printf("Average payroll is $%8.2f\n", average);
}

double calc_pay(double h, double r)
{

	/* computation */
	return (h * r);	
}

    Source: geocities.com/yosemite/rapids/9568

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