Answer: 12.5 %
Explanation:
Hi, to answer this question we have to apply the simple interest formula:
I = p x r x t
Where:
I = interest (investment after interests - principal; 12000-8000=4000)
P = Principal Amount (initial invest)
r = Interest Rate (decimal form)
t= time
Replacing with the values given
4,000= 8,000 (x) 4
Solving for x
:
4,000= 32,000x
4,000/ 32,000 =x
x= 0.125
Since the interest rate is in decimal form, we have to multiply it by 100 to obtain the percentage.
0.125 x 100 = 12.5 %
Feel free to ask for more if needed or if you did not understand something.
Answer:
The correct answer is C)A decrease in the money supply and an increase in the interest rate.
Explanation:
The Discount Rate is the interest rate that the Fed charges to commercial banks for 24-hour or less loans. Commercial banks turn to the FED for these loans when they are in an emergency situation, and are about to lose all reserves, and suffer a bank failure. This is why the Discount Rate tends to be higher than the federal funds rate.
If the FED increases the discount rate in order to apply contractionary monetary policy, the effect will be first a decrease in the money supply because banks will have less incentive to loan, and if they loan less, they create less money (remember than in a fractional reserve banking system banks create money), and thus, the money supply falls.
Secondly, this policy results in a higher interest rate because the less money supply, the less available loans, and the higher the interest rate on those fewer loans.
It sounds a bit too broad so I would say B, too vague
Answer:
R = 4 customers per minute
I = 12 customers in line
average time (T) = 3 minutes per customer
Explanation:
if we follow Little's Law and its assumptions: L = λW
- L = average number of clients in line = 12
- λ = arrival or departure rate = 4 per minute
- W = average waiting time
W = L / λ
average waiting time = average number of clients in line / average number of clients arriving (or departing) = 12 / 4 = 3 minutes
Little's Law can also be written as I = RT
I = L
R = λ
