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#include <iostream>
#include<fstream>//file input output stream
using namespace std;
//function prototypes
int readalldata(long int[], int[], float[], const int);
void findovertimehours(int[], int[], int);
void findovertimepay(int[], float[], float[], int);
void findregularhours(int[], int[], int);
void findregularpay(int[], float[], float[], int);
void findgrosspay(float[], float[], float[], int);
void findtaxrate(float[], float[], int);
void findtaxamount(float[], float[], float[], int);
void findnetpay(float[], float[], float[], int);
void printalldata(long int[], int[], float[], float[], float[], float[], float[], int);
int main(){
const int MAXSIZE=100; //for maximum of 100 employees
//decleration of variables
int n;
long int id[MAXSIZE];
int hoursworked[MAXSIZE], overtimehours[MAXSIZE];
int regularhours[MAXSIZE];
float hourlyrate[MAXSIZE], regularpay[MAXSIZE],
overtimepay[MAXSIZE], grosspay[MAXSIZE];
float taxrate[MAXSIZE], taxamount[MAXSIZE], netpay[MAXSIZE];
//function calls
n=readalldata(id, hoursworked, hourlyrate, MAXSIZE); //get all data
findovertimehours(hoursworked, overtimehours, n);
findovertimepay(overtimehours, hourlyrate, overtimepay, n);
findregularhours(hoursworked, regularhours, n);
findregularpay(regularhours, regularpay, hourlyrate, n);
findgrosspay(regularpay, overtimepay, grosspay, n);
findtaxrate(grosspay, taxrate, n);
findtaxamount(grosspay, taxamount, taxrate, n);
findnetpay(grosspay, netpay, taxamount, n);
printalldata(id, hoursworked, hourlyrate, overtimepay,
grosspay, taxamount, netpay, n);
return 0;
}//MAIN
//function definitions
int readalldata(long int id[], int hoursworked[], float hourlyrate[], int n){
ifstream fin("employee.txt");
n=0;
while(fin>>id[n]>>hoursworked[n]>>hourlyrate[n]) n++;
fin.close();
system("PAUSE");
return n;
}//READALLDATA
void findovertimehours(int hoursworked[], int overtimehours[], int n){
for(int i=0; i<n; i++){
if(hoursworked[i]>40) overtimehours[i]=hoursworked[i]-40;
else overtimehours[i]=0;
}//FOR
}//FINDOVERTIMEHOURS
void findovertimepay(int overtimehours[], float hourlyrate[],
float overtimepay[], int n){
for(int i=0; i<n; i++){
overtimepay[i]=overtimehours[i]*hourlyrate[i]*1.5;
}//FOR
}//FINDOVERTIMEPAY
void findregularhours(int hoursworked[], int regularhours[], int n){
for(int i=0; i<n; i++){
if(hoursworked[i]>40) regularhours[i]=40;
else regularhours[i]=hoursworked[i];
}//FOR
}//FINDREGULARHOURS
void findregularpay(int regularhours[], float regularpay[],
float hourlyrate[], int n){
for(int i=0; i<n; i++){
regularpay[i] = regularhours[i]*hourlyrate[i];
}//FOR
}//FINDREGULARPAY
void findgrosspay(float regularpay[], float overtimepay[],
float grosspay[], int n){
for(int i=0; i<n; i++){
grosspay[i]=regularpay[i]+overtimepay[i];
}//FOR
}//FINDGROSSPAY
void findtaxrate(float grosspay[], float taxrate[], int n){
for(int i=0; i<n; i++){
if(grosspay[i]>4000.00) taxrate[i]=0.40;
else if(grosspay[i]>3000.00) taxrate[i]=0.30;
else if(grosspay[i]>1000.00) taxrate[i]=0.20;
else taxrate[i]=0.10;
}//FOR
}//FINDTAXRATE
void findtaxamount(float grosspay[], float taxamount[],
float taxrate[], int n){
for(int i=0; i<n; i++){
taxamount[i]=grosspay[i]*taxrate[i];
}//FOR
}//FINDTAXAMOUNT
void findnetpay(float grosspay[], float netpay[], float taxamount[], int n){
for(int i=0; i<n; i++){
netpay[i]=grosspay[i]-taxamount[i];
}//FOR
}//FINDNETPAY
void printalldata(long int id[], int hoursworked[], float hourlyrate[],
float overtimepay[], float grosspay[], float taxamount[],
float netpay[], int n){
float totalNetPay=0;
int i=0;
cout<<"EMP ID"<<"\t"<<"HOURS"<<"\t"<<"RATE"<<"\t"
<<"OVERPAY"<<"\t"<<"GROSSPAY"<<"\t"<<"TAX"<<"\t"
<<"NETPAY"<<endl;
for(int i; i<n; i++; totalNetPay +=netpay[i]){
cout<<""<<id[i]<<"\t"<<hoursworked[i]<<"\t"<<hourlyrate[i]
<<"\t"<<overtimepay[i]<<"\t\t"<<grosspay[i]<<"\t\t"
<<taxamount[i]<<"\t"<<netpay[i]<<endl<<endl;
}//FOR
cout<<"The net pay average of all employees are"<<totalNetPay/i<<endl;
system("PAUSE");
}//PRINTALLDATA
//end source code
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