Answer:
A) 0.0618
Explanation:
Variance is given by:

Where 'Xi' is the value for each term 'i' in the sample of size 'n' and μ is the sample mean.
The mean investment return is:

The variance is:

The variance of the returns on this investment is A) 0.0618.
  
        
             
        
        
        
Answer:
Net amount of accounts receivable that should be included in current assets:
= Accounts receivable - Allowance for doubtful accounts
= $256,000 - $8,000
= $248,000
The journal entry is as follows:
Bad debt expense[$8,000 - $1,000] A/c Dr. $7,000
            To Allowance for doubtful accounts               $7,000
(To record the bad debt expense)
 
        
             
        
        
        
Answer: Option A
   
Explanation: In simple words, elasticity refers to the change in demand for a product due to change in its price. 
If the price for the gasoline remains high in the long run then at one point substitution effect will come into play and consumers will shift their demand to the alternatives available. 
However the product like gasoline will not show decrease in demand in the short run due to price as it more of an essential good to daily life. 
Thus, the correct option is A. 
 
        
             
        
        
        
Answer: Commodity Money 
Explanation:
Commodity money is used to describe goods that have an intrinsic value that enable them to be used as a medium of exchange for goods and services. For a good to be used as commodity money, it should be rare and easily exchangeable. 
Examples of goods that have been and can be used as commodity money include gold, silver, alcohol and cigarettes with cigarettes being especially popular in prison. 
 
        
             
        
        
        
The current <u>demand falls</u> if the prices are likely to increase in the future whereas the current <u>demand rises</u> if prices are likely to decrease in the future.
<h3>What is demand?</h3>
Demand is one of the market factors that tells about the goods being purchased by the customers.
When the rates of goods are expected to be rise in the future, then the demand for those goods would downfalls. In contrast, the reverse case will make the demand enhancing. The rise or fall in demand also directly affects the supply by the producers.
Therefore, there is an inverse relationship between futuristic prices and the current demand for products.
Learn more about the demand in the related link:
brainly.com/question/10489478
#SPJ1