#include "CS35lib.h"

int main ()
{
	double ounces, pounds;
	double rounded_pounds,pounds_over_1;
	
	double cost;
	
	cout <<"Priority mail costs $3.70 for packages up to one pound,\n";
	cout <<"$3.95 for packages over 1 and up to 2 pounds,\n";
	cout <<"$4.20 for packages over 2 and up to 3 pounds,\n";
	cout <<"$4.45 for packages over 3 and up to 4 pounds,\n";
	cout <<"$4.70 for packages over 4 and up to 5 pounds, etc.\n";
	cout <<"That is, the cost rises $0.25 for each additional pound.\n";
	cout<<endl;
	cout <<"How many ounces is your package: ";
	cin  >> ounces;
	
	pounds = ounces/16;
	rounded_pounds = ceil (pounds);
	pounds_over_1 = rounded_pounds -1 ;
	
	cost = 3.70 +0.25*pounds_over_1;
	
	set_decimal (2);
	cout <<"We will charge you for "<<int(rounded_pounds)	
			<<" pounds, so your bill is $"<<cost<<".\n";
	return 0;
}