You are considering how to invest part of your retirement savings. You have decided to put $$300,000$ into three stocks:

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?

a$.$ What is the new value of the portfolio?

The new value of the portfolio is $ $($Round to the nearest dollar.$)$

I NEED B & C PLEASE