Master Glue Hairspray, Inc. contracts to purchase 100 umbrellas with its logo and slogan, "A spray a day keeps the rain and wind away!" specially printed on the umbrellas and its 1-800 telephone number on the umbrella handle. After the seller completes the order, Master Glue refuses to accept or pay for the umbrellas. Because of the special logo and telephone number, the seller has been unable to find a new buyer. If the seller sues Master Glue, what is the proper measure of the seller's damages?