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#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
using namespace std;
//global constant declarations
const char LOW_PLAN = 'L';
const char MID_PLAN = 'M';
const char HI_PLAN = 'H';
const char UNL_PLAN = 'U';
const double TAX = .081;
const double LOW_BASE = 4.99;
const double MID_BASE = 49.99;
const double HI_BASE = 74.99;
const double UNL_BASE = 99.99;
const double LOW_TEXT = .1;
const double MID_TEXT = .08;
const double HI_TEXT = .07;
const double MID_DATA = 2.88;
const double HI_DATA = 1.78;
const double SERVICE = 1.44;
const int SM_LIMIT = 500;
const int BIG_LIMIT = 1000;
const int MAX_LIMIT = 2000;
const string INPUT = "BILLDATA.TXT";
const string OUTPUT = "ACCOUNTS.TXT";
const string USAGE = "USAGE.TXT";
//function prototypes, functions described in detail at declaration
void getData(ifstream&, ofstream&, ofstream&);
double getLineCharge(char, int, int, double);
int main() {
ifstream inData;
ofstream outData;
ofstream usage;
inData.open(INPUT.c_str());
outData.open(OUTPUT.c_str());
usage.open(USAGE.c_str());
if(!inData) {
cout << "Error: Could not open " << INPUT << " Program will exit now" << endl;
cout << "(press any key to exit)";
cin.get();
return 1;
}
else {
cout << "Getdata will run";
getData(inData, outData, usage);
inData.close();
}
return 0;
}
void getData(ifstream& input, ofstream& output, ofstream& usage) {
double grandTotal;
do {
cout << "\nFirst do loop is running";
int numberPhones = 0;
int displayLines;
int accountNumber;
char planType;
double planTotal = 0;
char checkLine = 'A';
input >> accountNumber;
input >> planType;
checkLine = input.peek();
cout << checkLine;
while ((checkLine != '\n') && (input)) {
cout << "\nWhile loop is running";
string phoneNumber;
int minutes;
int texts;
double data;
double total;
input >> phoneNumber;
cout << phoneNumber;
input >> minutes;
input >> texts;
input >> data;
total = getLineCharge(planType, minutes, texts, data);
usage << phoneNumber << " ";
usage << planType << " ";
usage << total << "\n";
planTotal += total;
numberPhones++;
}
} while(input);
return;
}
double getLineCharge(char type, int minutes, int texts, double data) {
double total = 0;
switch (type) {
case 'L':
total = (minutes * LOW_TEXT) + (texts * LOW_TEXT) + LOW_BASE;
break;
case 'M':
if (minutes > SM_LIMIT)
total += ((minutes - SM_LIMIT) * MID_TEXT);
if (texts > SM_LIMIT)
total += ((texts - SM_LIMIT) * MID_TEXT);
if (data > SM_LIMIT)
total += ((data - SM_LIMIT) / SM_LIMIT) * MID_DATA;
total += MID_BASE;
break;
case 'H':
if (minutes > BIG_LIMIT)
total += ((minutes - BIG_LIMIT) * HI_TEXT);
if (texts > BIG_LIMIT)
total += ((texts - BIG_LIMIT) * HI_TEXT);
if (data > MAX_LIMIT)
total += ((data - MAX_LIMIT) / BIG_LIMIT) * HI_DATA;
total += HI_BASE;
break;
case 'U':
total = UNL_BASE;
break;
}
return total;
}
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