/// <summary>Creates a copy of a price list</summary>
public static PriceList Clone(this PriceList prices)
{
var l = new PriceList();
foreach (var p in prices)
{
l.Add(p.Clone());
}
return(l);
}
/// <summary>Creates a price list with base Price elements</summary>
public static PriceList AsPriceList(this PriceList prices)
{
var l = new PriceList();
foreach (var p in prices)
{
l.Add(new Price(p));
}
return(l);
}