help please and thank ylu!!:)

Suppase you held a diversified portfolio consisting of a $7,500 investment in each of 20 different common stocks. The portfolio's beta is 2.25. Now suppose you deaided th seil one of the stocks in your portfolio with a beta of 1.0 for $7,500 and use the proceeds to buy another stock with a beta of 0 . ad. What would your portfalio's new beta be?. Do not round intemediate calculations. Round your ahswer to two decmal places