A Freelance Computer Consultant Keeps a Database of Her Clients $S = \{ \text { Acme, Brothers, Crafts, Dion, Effigy, Floyd, Global, Hilbert } \}$

question 70

Essay

A freelance computer consultant keeps a database of her clients, which contains the names
? $S = \{ \text { Acme, Brothers, Crafts, Dion, Effigy, Floyd, Global, Hilbert } \}$ .
?
The following clients owe her money:
? $N = \{ \text { Hilbert, Crafts, Effigy, Global } \}$ .
?
The following clients have done at least $10,000 worth of business with her:
? $B = \{ \text { Hilbert, Brothers, Crafts, Dion } \}$ ?
Write the clients who owe her money and have done at least $10,000 worth of business with her.
?
The answer is __________.

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Definitions:

Duchenne Smile

A genuine smile that involves contraction of both the zygomatic major muscle (raising the corners of the mouth) and the orbicularis oculi muscle (raising the cheeks and forming crow's feet around the eyes).

Genuine Smile

A true expression of happiness or pleasure characterized by the movement of the muscles around the eyes and mouth.

Venting Anger

The act of expressing or releasing anger, often in the hope of achieving relief or catharsis, though its effectiveness can vary.

Catharsis

A psychological concept suggesting that expressing or experiencing strong emotions can lead to a sense of emotional release or purification.