public void ReduceArea(int area, int costOfOneCentimeter)
{
Square.ReduceArea(area);
Cashbox.Sell(area * costOfOneCentimeter);
}
public Emporium(string name, int budget, int area) : this(name, budget)
{
Square = new Square(area);
}
public void ExpandArea(int area, int costOfOneCentimeter)
{
Cashbox.Buy(area * costOfOneCentimeter);
Square.ExpandArea(area);
}
public Emporium(string name, int budget)
{
Name = name;
Cashbox = new Cashbox(budget);
Square = new Square(0);
}