$(2)$ At this price they reach a deal. After Andrew designs the clubhouse and the clubhouse is built, Donald comes to Andrew and says he would like to renegotiate the price for the design. Since the clubhouse is already built, the same design cannot be used in other places. Since a lawsuit would be costly$,$ if they settle in a lawsuit, Andrew can only get a share, $1-$ w$,$ of the formerly agreed price po$,$ where w is a measure of the inefficiency of the legal system and $0<$ W $<1.$ At what minimum price pi for the design can now Donald just forcc Andrew to accept? Write pi in terms of w