Read the hours worked in a week and then prints the gross pay, the taxes, and the net pay.

Introduction

Basic pay rate = $10.00/hr

Overtime (in excess of 40 hours) = time and a half

Tax rate: #15% of the first $300

20% of the next $150 25% of the rest

Demo Code


#include <stdio.h>

#define BASIC_RATE 10.0/*from   ww  w. j  a  va  2s .co  m*/
#define OVERTIME_HOURS 40.0
#define OVERTIME_MULTIPLIER 1.5
#define TAX_RATE_1 0.15
#define TAX_BRACKET_1 300.0
#define TAX_RATE_2 0.20
#define TAX_BRACKET_2 450.0
#define TAX_RATE_3 0.25

float calculate_gross_pay(float hours);
float calulate_taxes(float gross_pay);

int main(void){
  float hours, gross_pay, taxes;

  printf("Enter number of hours worked in a week: ");

  if (scanf("%f", &hours) == 1){
    gross_pay = calculate_gross_pay(hours);
    taxes = calulate_taxes(gross_pay);

    printf("For %.1f hours of work you make $%.2f and pay $%.2f in taxes.\n",hours, gross_pay, taxes);
  }
  else
    printf("Invalid input...terminating.\n");

  return 0;
}

float calculate_gross_pay(float hours)
{
  if (hours > OVERTIME_HOURS)
    return OVERTIME_HOURS * BASIC_RATE + (hours - OVERTIME_HOURS) * BASIC_RATE * OVERTIME_MULTIPLIER;
  else
    return hours * BASIC_RATE;
}

float calulate_taxes(float gross_pay)
{
  if (gross_pay > TAX_BRACKET_2)
    return TAX_RATE_3 * (gross_pay - TAX_BRACKET_2) + TAX_RATE_2 * (TAX_BRACKET_2 - TAX_BRACKET_1) + TAX_RATE_1 * TAX_BRACKET_1;
  else if (gross_pay > TAX_BRACKET_1)
    return TAX_RATE_2 * (gross_pay - TAX_BRACKET_1) + TAX_RATE_1 * TAX_BRACKET_1;
  else
    return TAX_RATE_1 * gross_pay;
}

Read the hours worked in a week and then prints the gross pay, the taxes, and the net pay. - C Operator

Introduction

Demo Code

Result

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