The marginal propensity to consume tells us by how much consumption expenditure changes when disposable income  changes. 
<h3>What is marginal propensity?</h3>
In economics, the marginal propensity to consume (MPC) is defined as the proportion of an aggregate raise in pay that a consumer spends on the consumption of goods and services, as opposed to saving it.
<h3>What is the MPC and MPS?</h3>
Key Takeaways. The marginal propensity to save (MPS) is the portion of each extra dollar of a household's income that's saved. MPC is the portion of each extra dollar of a household's income that is consumed or spent.
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I would say that the question "How can markets be kept competitive" would not be important for a communist or socialist society as production would not be to meet a world capitalist market price but would be for fulfilling the basic necessities of the people like healthcare and education and food and clothing as well as for mutually beneficial trade with other countries on an equitable basis. 
        
             
        
        
        
Answer:
The correct answer is B. non-exempt security under the Securities Act of 1933 because the purchaser bears the investment risk
Explanation:
With a variable annuity, the annuity funds are invested in securities such as bond funds or equity funds. In these cases, the performance of the funds will define the performance of the annuity money and how much the annuity owner will receive from it. In this case, in the variable annuities there is a certain investment risk that everyone must determine when investing their money. In summary, the amount of risk that everyone is in a position to adopt will determine the amount of acceptable risk and therefore what type of funds will be selected for the investment.
It is possible to consider using a variable annuity for those who:
- They feel comfortable with stock market fluctuations and are willing to accept them in exchange for a greater return to inflation for a longer period of time.
- They are young people who seek to plan for retirement by taking advantage of the long-term stock market.
 
        
             
        
        
        
Based on the cost to produce each unit of the switches and the annual demand, the total costs will be $25,900 more than the cost of purchasing the switches. 
<h3>What is the cost of producing the switches?</h3>
This can be found as:
= Variable cost + set up costs + supervisor's salary + opportunity cost of lost rent 
= ( (6 + 5 + 4) x 5,000 units) + 45,500 + 41,000 + (3,700 x 12 months)
= $205,900
If they bought the switches at $36, they would cost:
= 36 x 5,000
= $180,000
Its cheaper to buy by:
= 205,900 - 180,000
= $25,900
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