Answer:
C) 8.75%
Explanation:
Number of periods = 4 years
Given return rates = 20%, -10%, 20%, and 5%
To obtain the arithmetic average annual return, add the return rates given for all periods and divide the sum by the number of periods.

Over four years, the S&P 500 index delivered an arithmetic average annual return of 8.75%.
The costs and risks associated with doing business in a foreign country are typically lower in economically advanced and politically stable democratic nations.
A business is an activity that makes a living or makes money by manufacturing or buying and selling products.
Business is defined as an organization or business entity engaged in commercial, industrial, or professional activities. A business can be a for-profit or non-profit organization. The types range from corporations with limited liability to sole proprietorships, corporations and partnerships.
The definition of business is the profession or trade, the buying and selling of goods or services for profit. A business example is agriculture. An example of a transaction is the sale of a home.
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Answer: D. Restrictions on travel into and out of affected areas.
Explanation:
Restrictions on travel in and out of affected areas can lead to Scarcity in a Pandemic because there is no free movement of labour and capital.
With borders shut down, goods that were normally imported will suddenly become very hard to acquire because getting them through travel bans is very hard and in most cases, impossible.
Also affected are services as, for instance, the people who provided such services might live in or come from the place they provide said service to. Getting into those areas might prove too cumbersome a task thereby limiting Service provision.
Looking at the current Corona Virus Pandemic that has seen the most extensive Travel Restrictions by Countries in recent times and looking at the Scarcity being suffered by those same countries, drawing the conclusion that the Scarcity is as a result of an impediment to free movement of Goods and Services is most logical.
Answer:
Diversification
Explanation:
The key words here are 'several businesses'. A company engage in many businesses in order to mitigate or reduce its business risk, and also to create and add more value to customers. This offers a far advantage position than a stand alone entities who deal with only one product or service.
Answer:
A. Churning
Explanation:
Employee Churning is also known as employee turn-over which is an act of laying off employees while recruiting new ones. It is a measure always taken to conserve a company's limited resources. The turnover rate is given as the percentage of employees being laid off or leaving workers over a period of time. There are a lot of factors contributing to churning such as downsizing through attrition either due to recession or scarcity of company's resources.