The option that is considered to have the lowest financial risk is investment-grade debt.
<h3>How do interest rates influence debt?</h3>
Interest rate is known to play a key role in consumer debt. Note that when there is higher APR on one's a credit card or loan, the more the larger one's balance will be and the longer one can be able to pay off the debt.
Note that the lowest financial risk is investment-grade debt and this does not often occur and such it has the lowest risk.
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I'd say D. expert power because expert power is when an employee ( or in your case the teacher) has a high set of knowledge/skills that other employees do not posses. Which by the information above about this teacher's PhD and thier experience, I assume that this teacher must have expert power.
not b, as sound cant travel in a vacuum (like outer space)
