I think the answer is a. I'm not 100 sure though.
Answer:
The answer is "4200"
Explanation:
Please find the complete question in the attached file:
Calculating the variable cost in km:

Calculating the fixed cost:

<u>Explanation:</u>
Business environment refers to the factors pertaining to internal or external to the organisation that affects the working of the organisation. The environment provides threats and challenges for the business organisations. So the business organisations should know about their environment to smoothly function the business activities.
Economic environment means the economic situation in a country that affects the business and consumer behavior in a country. The performance of the organisation can be affected by the buying pattern of the consumers. Economic environment is an external and macro environment factor which affects the business.
Drafting soldiers is an implied power of the federal government.
According to Article I, Congress has the authority to make provisions for the general welfare and common defense of the United States. However, the establishment of a forced draft for enlistment in the military is an implicit power that has been exercised at various points in American history, from the Civil War until 1973.
Another well-known example of implied powers is the ability to form an army through a draft. For instance, the Constitution does not expressly permit the use of a draft prior to America's participation in World War II.
The ability to declare war, provide for and maintain a Navy, create and fund Armies, and equip, direct, and summon a militia all fall under the purview of Congress.
To learn more about Constitution refer to:
brainly.com/question/19411179
#SPJ4