"<span>Fixed-rate mortgages provide security against increased costs." Of course there is the possibility with a fixed-rate mortgage that costs could decrease, meaning you would be paying more than needed, but this is a risk many people are willing to take. </span>
I’m not sure about this question
Answer: B
Explanation:
A- obviously wrong
B- Correct
C- Command economy is entirely ran by a government (not free market)
D- Similar to C.
(A) The office is led by the chief of staff, who serves as a key adviser to the president.