#include<iostream>
using namespace std;

int main()
{
	char choice;
	double charges;
	int hours;
	int number;
	double saveB;
	double saveC;



	cout << "This program calculates your monthly bill based on which package you used. " <<endl;
	cout << "The list of packages are as followed." << endl;
	cout << "Package A: $9.95 a month 10 hours access provided $2.00 additional hours after 10." <<endl << endl;
	cout << "Package B: $14.95 a month 20 hours access provided $1.00 additional hours after 20." << endl << endl;
	cout << "Package C: $19.95 a month unlimited access. " << endl << endl;
	cout << "Enter the package you are using with A,B, or C." << endl;
	cin  >> choice;
	


	switch(choice)
	{
	case 'A': cout << "How many hours were used? " <<endl;
			cin >> hours;
			if (hours > 744)
			  cout << "Its not possible to use that many hours in a month." <<endl;
			if (hours > 0 && hours < 10)
			   cout << "Your charges are $9.95 have a nice day. " <<endl;
			if (hours > 10 && hours <= 12)
			{
			number = hours - 10;
			charges = 9.95 + 2 * number;
			cout << "Your charges are $" << charges << " have a nice day." << endl;
			}
			if (hours > 12 && hours <= 15)
			{
			number = hours - 10;
			charges = 9.95 + 2 * number;
			cout << "Your charges are $" << charges << " have a nice day." << endl;
			saveB = charges - 14.95;
			cout << "If you had package B you would save $" << saveB << endl;
			}
			if (hours > 15 && hours <= 744)
			{
			number = hours - 10;
			charges = 9.95 + 2 * number;
			cout << "Your charges are $" << charges << " have a nice day." << endl;
			saveC= charges - 19.95;
			cout << "If you had package C you would save $" << saveC << endl;
			}

			break;

	case 'B': cout << "How many hours were used? " <<endl;
			cin >> hours;
			if (hours > 744)
				cout << "Its not possible to use that many hours in a month." << endl;
			if (hours > 0 && hours < 20)
				cout << "Your charges are $14.95 have a nice day. " << endl;
			if (hours > 10 && hours <= 25)
			{
				number = hours - 20;
				charges = 14.95 + 1 * number;
				cout << "Your charges are $" << charges << " have a nice day." << endl;
			}
			if (hours > 25 && hours <= 744)
			{
				number = hours - 20;
				charges = 14.95 + 1 * number;
				cout << "Your charges are $" << charges << " have a nice day." << endl;
				saveC= charges - 19.95;
				cout << "If you had package C you would save $" << saveC << endl;
			}


			break;

	case 'C': cout << "Your charges are 19.95 by your package plan." << endl;
			break;

	default:	cout << "You did not enter any of the above choices." << endl;

		break;


	}
	


		system ("Pause");

		return 0;

}