A sales contract requires the seller to send the goods to the buyer at a specifically named destination

When a material person's lien is properly filed, the real property to which the improvements

have been made becomes security for the payment of these services. Indicate whether the statement is true or false

______ occurs when one group of customers pays more and another group pays less than the cost of providing their service

a) Deadweight loss b) Free-riding c) Moral hazard d) Cross-subsidization