// This program calculates retail price when whole sale price and estimated days in the store are variables.
#include <iostream>
using namespace std;



void input(double& whole_sale, int& day);
double calculate(double& whole_sale, int& day);
void output(double& whole_sale, int& day, double& price);


int main()
{
	double whole_sale = 0;
	double price;
	int day = 0;
	
	input(whole_sale,day);
	price = calculate(whole_sale, day);
	output(whole_sale, day, price);
	return 0;
}

void input(double& whole_sale, int& day)
{
	double ws;
	int d;
	cout << "What is the whole sale price of the item?" << endl;
	cin >> ws;
	cout << "How many days will the item be in the store?" << endl;
	cin >> d;
	whole_sale = ws;
	day = d;
	return;
}

double calculate(double& whole_sale, int& day)
{
	double price;
	if (day <= 7)
	{
		price = (whole_sale * .05) + whole_sale;
		return(price);
	}
	else
	{
		price = (whole_sale *.1) + whole_sale;
		return(price);
	}
}

void output(double& whole_sale, int& day, double& price)
{
	cout << "The whole sale cost of the item is $" << whole_sale << endl;
	cout << "The days spent in the store is " << day << endl;
	cout << "So the retail price will be $" << price << endl;
	return;
}