Can I please have some help on this question? There is no information beyond what is in the attached image.

Jane is interested in buying a car from a used car dealer. Her maximum willingness to pay for the car is $12 (thousand). Bo, the dealer, is willing to sell the car as long as he receives at least $8 (thousand). Thus, there is a potential surplus or gain from trade of $4 (thousand). Jane and the dealer bargain over the transaction price, p. If they cannot agree on a price, then the transaction does not occur, and neither party receives any surplus. If instead, Bo can only get $7 (thousand) elsewhere, then the price that maximizes the Nash product changes by $D thousand. (Enter your response rounded to one decimal place and include a minus sign if necessary.) This change in price is in : favor