Stuff

#include <iostream>
using namespace std;

int main()
{
	const double COST_PER_PAGE = 0.02;
	const double BASE_COST = 0.50;
	int volumes = 1;
	int pages = 0;
	int ppv = 0;
	double cost = 0;

	cout << "Number of pages in the book: ";
	cin >> pages;

	if (pages <= 0)
	{
		cerr << "Books have pages...exiting.";
		return 0;
	}
	
	cost = BASE_COST + (COST_PER_PAGE * pages);
	ppv = pages;

	if (pages > 800)
	{
		
	}
	else if (pages > 550)
		cost += 1.75;
	else if (pages > 300)
		cost += 1.00;

	cout.setf(ios::fixed);
	cout.setf(ios::showpoint);
	cout.precision(2);

	cout << "The cost of the book will be: $" << cost << endl;
	cout << "Volumes: " << volumes << endl;
	cout << "Page per Volume: " << ppv << endl;

	system("pause");

	return 0;
}