Answer:
(2) 4%
Explanation:
The portfolio is considered to be less risky if its volatility is low. The higher standard deviation the more risky is the project. For Duke Energy and Microsoft the investment portfolio required is risk free investment. To calculate the risk free rate we calculate using the formula;
Var Rp = x1 2Var R1 + x2 2Var R2 +2 x1 x2 Corr (R1, R2) SD1 SD2
Var Rp = 0.14 + 0.44 + 2 (1) * (-1) * 6% * 24%
Solving for this we get the risk free investment at 4%.
For this case we have an equation of the form:

Where,
A: initial amount
b: growth rate
x: number of years
Substituting values we have:

By the time the earnings increase to 75000 we have:

From here, we clear x:
Answer:
you will have to wait until 23.95 years your winnings are worth $ 75,000
Answer: Immediately seek injunctive relief.
Explanation:
An injunctive relief is an order by the court stopping an action from taking place. From the question, we are told that Sam has contracted with Dave to buy Dave's racing bike, with payment and delivery of the bicycle to be made 10 days after the contract was made.
We are further told that three days later Sam hears that Dave is going to sell the bike to Gene in three days at a higher price. If Sam really wants the bike, he should seek injunctive relief. By doing so, the court will stop Dave from selling the bike to Gene.