You are considering how to invest part of your retirement savings. You have decided to put $$400,000$ into three$$ stocks:

$58\%$ of the money in GoldFinger$($currently $$23/$share$),24\%$ of the money in Moosehead$($currently $$79/$share$),$ and the remainder in Venture Associates$($currently $$5/$share$).$ Suppose GoldFinger stock goes up to $$40/$share$,$ Moosehead stock drops to $$63/$share$,$ and Venture Associates stock risesrises to $$16$ per share. a$.$ What is the new value of the$$ portfolio?

b$.$ What return did the portfolio$$ earn?

c$.$ If you$$ don't buy or sell any shares after the price$$ change, what are your new portfolio$$ weights?