budget-expense-tracker.cpp

#include <iostream>
#include <iomanip>
#include <cmath>
#include <string>
using namespace std;

struct MonthlyBudget
{
    double housing
    , utilities
    , household
    , transportation
    , food
    , medical
    , insurance
    , entertainment
    , clothing
    , misc;

// Constructor with default values when arguments are not provided
 MonthlyBudget(double rent = 0.0, double util = 0.0, double hh = 0.0,
               double trans = 0.0, double fd = 0.0, double med = 0.0,
               double insur = 0.0, double fun = 0.0, double cloth = 0.0,
               double mis = 0.0
              )

              {
                housing = rent;
                utilities = util;
                household = hh;
                transportation = trans;
                food = fd;
                medical = med;
                insurance = insur;
                entertainment = fun;
                clothing = cloth;
                misc = mis;
              }
};


// Function prototypes
void displayBudget(const MonthlyBudget&);
void getExpenses(MonthlyBudget&);
void compareExpenses(const MonthlyBudget&, const MonthlyBudget&);


int main()
{

   // Create a MonthlyBudget structure initialized with actual budget figures

   MonthlyBudget budget(500,150,65,50,230,30,100,150,75,50);

   // Create a MonthlyBudget structure to hold actual expenditures

   MonthlyBudget spent;

   // Call displayBudget function to display the budgeted amount

   displayBudget(budget);

   // Call getExpenses function to input and store actual expenditures

   getExpenses(spent);

   // Call compareExpenses function to compare actual expenditures to budget

   compareExpenses(budget,spent);

   return 0;
}


/***********************************************************************
 *              displayBudget         *
 * This function displays the monthly budgeted amounts in *
 * each budget category.              *
 **********************************************************************/

 void displayBudget(const MonthlyBudget &budget)
 {
     cout << "Here is your monthly budget: \n\n";

     cout << "Housing         $"<< setw(4) << budget.housing << endl;

     cout << "Utilities       $"<< setw(4) << budget.utilities << endl;

     cout << "Household       $"<< setw(4) << budget.household << endl;

     cout << "Transportation  $"<< setw(4) << budget.transportation << endl;

     cout << "Food            $"<< setw(4) << budget.food << endl;

     cout << "Medical         $"<< setw(4) << budget.medical << endl;

     cout << "Insurance       $"<< setw(4) << budget.insurance << endl;

     cout << "Entertainment   $"<< setw(4) << budget.entertainment << endl;

     cout << "Clothing        $"<< setw(4) << budget.clothing << endl;

     cout << "Miscellaneous   $"<< setw(4) << budget.misc << endl;
}


/***********************************************************************
 *              getExpenses         *
 * This function stores the entered values for actual *
 * monthly expenditures in each budget category.      *
 **********************************************************************/

 void getExpenses(MonthlyBudget &spent)
 {
     cout << "\nEnter actual monthly expenditures for each category\n";

     cout << "Rent/mortgage:  $";
     cin >> spent.housing;

     cout << "Utilities:  $";
     cin >> spent.utilities;

     cout << "Household:  $";
     cin >> spent.household;

     cout << "Transportation:  $";
     cin >> spent.transportation;

     cout << "Food:  $";
     cin >> spent.food;

     cout << "Medical:  $";
     cin >> spent. medical;

     cout << "Insurance:  $";
     cin >> spent.insurance;

     cout << "Entertainment:  $";
     cin >> spent.entertainment;

     cout << "Clothing:  $";
     cin >> spent.clothing;

     cout << "Miscellaneous:  $";
     cin >> spent.misc;
}


/***********************************************************************
 *              compareExpenses         *
 * This function compares actual expenditures to budgeted *
 * amounts in each budget category.      *
 **********************************************************************/

 void compareExpenses(const MonthlyBudget &budget, const MonthlyBudget &spent)
 {
     double totalBudgeted,        // Total monthly budget for all categories

     totalSpent,                  // Total spent in all categories

     difference;                  // Monthly amount over or under budget


     // Set output formatting and display table heading

     cout << fixed << setprecision(2);


     cout << "\n\n          Budgeted   Spent     Difference \n";
     cout << "================================================================================================ \n";

     // Display budget amount vs. spent amount in each category

     cout << "Housing"

        << setw(15) << budget.housing << setw(12) << spent.housing

        << setw(12) << (spent.housing - budget.housing) << endl;


     cout << "Utilities"

        << setw(13) << budget.utilities << setw(12) << spent.utilities

        << setw(12) << (spent.utilities - budget.utilities) << endl;


     cout << "Household"

        << setw(13) << budget.household << setw(12) << spent.household

        << setw(12) << (spent.household - budget.household) << endl;


     cout << "Transportation"

        << setw(8) << budget.transportation << setw(12) << spent.transportation

        << setw(12) << (spent.transportation - budget.transportation) << endl;


     cout << "Food"

        << setw(18) << budget.food << setw(12) << spent.food

        << setw(18) << (spent.food - budget.food) << endl;


     cout << "Medical"

        << setw(15) << budget.medical << setw(12) << spent.medical

        << setw(15) << (spent.medical - budget.medical) << endl;


     cout << "Insurance"

        << setw(13) << budget.insurance << setw(16) << spent.insurance

        << setw(13) << (spent.insurance - budget.insurance) << endl;


     cout << "Entertainment"

        << setw(9) << budget.entertainment << setw(12) << spent.entertainment

        << setw(9) << (spent.entertainment - budget.entertainment) << endl;


     cout << "Clothing"

        << setw(8) << budget.clothing << setw(12) << spent.clothing

        << setw(12) << (spent.clothing - budget.clothing) << endl;


     cout << "Miscellaneous"

        << setw(12) << budget.misc << setw(12) << spent.misc

        << setw(12) << (spent.misc - budget.misc) << endl;



    // Compute total amount budgeted, total spent, and the difference


    totalBudgeted = budget.housing + budget.utilities + budget.household +
             budget.transportation + budget.food + budget.medical +
               budget.insurance + budget.entertainment + budget.clothing +
             budget.misc;


    totalSpent = spent.housing + spent.utilities + spent.household +
          spent.transportation + spent.food + spent.medical +
            spent.insurance + spent.entertainment + spent.clothing +
          spent.misc;


    difference = totalBudgeted - totalSpent;


    // Display totals and the amount the user was over or under budget this month
    cout << "==================================================================\n";

    cout << "Total    "

       << setw(12) << totalBudgeted << setw(12) << totalSpent

       << setw(12) << difference << endl;

    cout << "==================================================================\n";


    if (totalBudgeted > totalSpent)

        cout << "\nCongratulations! You were $" << difference

           << " under budget this month.\n";

        else
           cout << "\nYou went $" << -difference << " over your budget this month.\n";
}