Marsha and Antonio make a contract in which Marsha agrees to sell Antonio an expensive and rare piece of art. In the contract, Marsha states that she has the authority to enter into an agreement with Antonio, that she owns the piece of art, and that the art is authentic and not a forgery. These statements are examples of

A. covenants.
B. representations and warranties.
C. choice of law provisions.
D. riders.

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?