please solve correctly!

answer previously given is not correct

Current Attempt in Progress * Your answer is incorrect. Suppose you have a portfolio that has $230 in stock A with a beta of 0.98,$920 in stock B with a beta of 1.28 , and $690 in asset. You have another $460 to invest, You wish to achieve a beta for your whole portfolio to be the same as the market What is the beta of the added security? (Round intermediate calculations and the final answer to 3 decimal places, es. 2.361.)