Answer:
D. the money in one's pocket
Explanation:
this is so because the financual assets needed fpr a business to produce good and/or services requires money
 
        
             
        
        
        
The huge industrial trusts developed in industries such as steel and oil because there was a lot of competition to make the most profit and to be the best factory. Oil was a huge cooperation because it fueled the trains. Smaller bothersome rival companies would join bigger ones to create a monopoly. Standard oil owned by Rockefeller was a vast power and the word trust came to be generally used to describe any large scale business combination. Steel became a large industry for the fact that it was a strong metal that built the trains and tall sky scrappers. Also steel was used to build the transcontinental rail roads The Bessemer process came about which was a method of making cheap steel. It made the economy a more cut throat environment of dog eat dog and became ruthless. The economy was about power and money and was very greedy. Immigrant workers were employed with very low wages and worked laboriously many hours a day. Their effect on the economy was to create large <span>monopolies, their effects were tremendous.</span>
        
             
        
        
        
Most time, it is reasonable to refer to the opportunity cost as the price because it entails the benefit of the foregone good or service.
<h3>
What is an opportunity cost?</h3>
It refers to a value of what is rejected in order to perform the chosen alternative, that is, the value one have to give up to buy what you want in terms of other goods or services.
Therefore, it is sometimes reasonable to refer to the opportunity cost as the price because it entails the benefit of the foregone good or service.
Read more about opportunity cost
<em>brainly.com/question/1549591</em>
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Answer:
Complementary goods 
Explanation:
Complementary goods are goods that are demanded for together or consumed together. If the demand for one of the complementary goods increases, the demand for the other good increases and vice versa. 
If the price of coffee increases by 10%, the demand for coffee and doughnut would fall according to the law of demand. 
I hope my answer helps you. 
 
        
             
        
        
        
Answer:
beginning supplies 1,600
Explanation:
With the following identity we will sovle for beginning supplies:
beginning + purchases = ending + expense
the left side are the input of supplies
and the right side are the output
we will plug into the formula and solve for beginning supplies
beg + 3,400 = 900 + 900
beg = 3,400 - 900 - 900 =  1,600