According to my research on economics, I can say that based on the information provided within the question an increase in currency holdings will cause the money supply to fall. This is because if people begin to hold this causes the cash flow to decrease and money supply decreases because of the low cash flow.
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The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer: a, provides 30 days' notice to futurist of its desire to terminate.
Explanation: for an appointment to be terminated, there would a notice prior that termination, you can't just terminate an appointment without a 30days notice.