Read the short story and answer the question that follows: Summary of the previous chapter: At night, there is a discuss

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Read the short story and answer the question that follows:
Summary of the previous chapter: At night, there is a discussion
about nuclear armament at the Pentagon's headquarters and with the
participation of the president, the defense minister, the national
security adviser and more. Suddenly the red phone and the alert at
the larger headquarters ring than ever.
"Everyone turned their eyes to the president, when suddenly the
red phone rang. All present turned their heads to the telephone on
the table to the right of the president. Of the ringing
singer.
With a hand gesture back, the president picked up the phone and
approached his ear. Ten seconds of eternity passed over the people
at the round table, when suddenly the deep voice of the president
was heard. "I do not believe. I just do not believe." His gaze was
lowered, as if fleeing from the curious eyes of the others sitting.
"I do not believe you called here. Mom, I told you never to call
such places, including how you managed to locate the number here.
I'm in the middle of an important meeting right now."
"Honey, do not be angry, but your cell phone was closed and I have
to ask you a question now because I'm in the supermarket and about
to close."
Confused and embarrassed, the president signaled to his advisers
that he was leaving the meeting for a few moments, and left the
conference room for the rest area in the hallway leading to the war
room.
"Mom, I really do not know what to say anymore. I am the most
powerful president in the world and you are calling from the
supermarket in the middle of a crucial meeting." Said the
President.
"You may be the president but you are also my son and do not forget
who loves you" his mother replied and continued "and now for his
own interest. I am at the shelf of cleaning materials, and it is
not clear to me what to do. I know that another week Cleaning than
usual.On the other hand I read in the newspaper that usually after
the holidays people want less cleaning materials and there are
discount promotions where cleaners are sold in a 1 + 1 sale where
you buy one product and get the same price for free for free. What
do you say? Is it better to buy today "Or wait until before the
holidays to buy the detergent? And maybe I should wait until after
the sale?"
The president shook his head in his hands, and in a desperate voice
said "Mom!".
Explain the dilemma facing the president's mother using supply
and demand curves, and explain in words what will happen in each of
the three options: purchase today (mark the equilibrium in the
letter A), purchase before the holidays (mark the equilibrium in
the letter B), and purchase after the holidays in operation ( Mark
the equilibrium with the letter C). In your answer and in the
graphing, clearly refer to the quantities and prices and the
changes in them.