<span>If Part i51 is used in
one of pries corporation's products and the company makes 18,000 units of this
part each year, then the company's accounting department reports the following
costs of producing the part at this level of activity that an outside supplier
created an offer to produce and create a selling process to the company.</span>
 
        
             
        
        
        
Free riders are those who gain from a thing without contributing to its manufacturing expenses.
<h3>When the creation of a thing incurs external expenses, the?</h3>
- An external cost occurs when the production or use of a goods or service imposes a cost (negative effect) on a third party.
- If a good has external costs connected with it (negative externalities), the social costs will be larger than the private cost.
- Market failure may occur in the presence of external expenses. This is because the free market frequently ignores the existence of external expenses.
- The cost to a third party of consuming/producing one more unit is known as the external marginal cost (XMC).
learn more about  external costs  refer:
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Answer:
a. subtract the company's expenses from its revenue.
Explanation:
For computing the profit or loss we simply deduct all the expenses incurred from the revenue earned. 
If the revenue is more than the expenses than it would profit to the company
And, if the revenue is less than the expenses than it would be loss suffered by the company
In mathematically, 
Net income = Total revenues earned - all expenses incurred 
And, the net loss = All expenses incurred - total revenues earned 
Hence, the first option is correct 
 
        
             
        
        
        
Keynes would most likely oppose a plan for government control of all the manufacturing companies.