READ: Please let me know if the answers/ solutions in the green column are in fact the correct answers; Please briefly explain why correct and IF NOT Correct: Please work out the problem and explain how to do it

As an investor, you have $13,800 in Reed Pharma with an 8.2% expected return and $19,900 in Atlis Motor with an 11.8% expected return, what is the total expected return of the portfolio? Gobo Co, has bonds currently selling for $1,905 and a face value of $2,000. The company has a tax rate of 40% and the bonds have a coupon rate of 6.5% paying semi-annual coupons with 10 years to maturity, what is the after-tax cost of debt for Gobo