/// <summary>
/// Buys, returns actually bought, subsidizations allowed, uses deposits if available
/// </summary>
public Storage buy(Consumer forWhom, Storage need, Country subsidizer)
{
if (forWhom.canAfford(need) || subsidizer == null)
{
return(buy(forWhom, need));
}
else
{
subsidizer.takeFactorySubsidies(forWhom, forWhom.GetLackingMoney(need));
return(buy(forWhom, need));
}
}