public Furniture(Merchandise merchandise, string nameOfCollection)
: base(merchandise)
{
this.nameOfCollection = nameOfCollection;
}
public Merchandise(Merchandise merchandise)
: this(merchandise.name, merchandise.price, merchandise.quantity)
{
}
public Sandpaper(Merchandise merchandise, int width, int resilient)
: base(merchandise)
{
this.width = width;
this.resilient = resilient;
}