Answer: The new confidence index is 0.7143
Explanation: Consumer confidence index which is known as the confidence index is an index used for estimating the economy of the U.S, it is published by the conference board which shows the decree of excitement in peoples's activities on their savings and spendings.
To calculate the new confidence index;
STEP1: Add the bond increase to the current bond;
6% + 1% = 7%
4% + 1% = 5%
STEP 2: FIND THE NEW CONFIDENCE INDEX 
5% ÷ 7% = 0.7143
The old confidence index can also be calculated as 
4% ÷ 6% = 0.6667
 
        
             
        
        
        
Answer:
Option (C) is correct.
Explanation:
In an unregulated market, negative externality results in a higher social marginal cost than the firm marginal cost because this market is not properly regulated by the government officials. Hence, these firms are not taking into account the effect of negative externalities in their cost. 
We know that the consumer's decision is more offenly based on the point where the marginal cost is equal to the marginal benefit because they are not taking the impact of negative externalities. 
If proper action is not taken by the government, negative externality will result in a market inefficiencies.
 
        
             
        
        
        
Answer: a. He has an acquisition cost of $4,800 and a date of acquisition of March 15, 2007.
Explanation:
A Put amount gives the holder the right to sell underlying assets. As the Put was exercised, the customer would have to buy the underlying stock and the price they will pay for it is the strike price of the Put less the cost of the Put. 
Options contracts come in 100s so;
Acquisition cost = (50 - 2) * 100
= 48 * 100
= $4,800.
The date of acquisition is the day the put was exercised.