Sun and Moon Corporations each have only one class of stock outstanding $.$ Their stock ownership is shown below. Moon Shareholder Sun Corporation Corporation Arthur $50\%60\%$ Brenda $20\%40\%$ Charles $30\%0\%$ David $0\%0\%$ Which of the four stock ownership changes that are illustrated is the minimum change that is needed if Sun and Moon Corporations are to be brother$-$sister corporations under the $50\%$ requirements? $($Assume the two corporations are equally valued.$)$ No stock ownership change is required. Arthur sells his $2/3*$ rds of his shares to David. Arthur sells $4/5*$ ths of his shares in Sun to David Arthur must acquire an additional $30\%$ of Moon Corporation