It is a routine expense because you know that you will be paying it monthly.
Reserves - $20,000
Checkable Deposits - $200,000
Reserves Ratio - 10
Household Deposit - $15,000
Level of Excess Reserves - ?
Solution:
Checkable Deposits = $200,000 + $15,000 = $215,000
Required Reserves = 0.10 x $215,000 = $21,500
Excess Reserves = Actual Reserves - Required Reserves
= $35,000 - $21,500 = $13,500
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%.
already answered this question for you in a previous post.