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blsea [12.9K]
3 years ago
9

Which of the following best illustrates the relationship between entities and​ attributes? A. The entity PRODUCT with the attrib

ute PURCHASE B. The entity CUSTOMER with the attribute PURCHASE C. The entity PURCHASE with the attribute CUSTOMER D. The entity CUSTOMER with the attribute PRODUCT E. The entity PRODUCT with the attribute CUSTOME
Business
2 answers:
iris [78.8K]3 years ago
5 0

Answer:

B) The entity CUSTOMER with the attribute PURCHASE

Explanation:

The entity is an existing real world object or person, while an attribute is a feature or characteristic of the entity.

In a relational data model (RDBMS), entities are represented as data in an entity set (customer) while the field represents the different attributes or properties of the entity.

tatuchka [14]3 years ago
5 0

Answer:

B. The entity CUSTOMER with the attribute PURCHASE

Explanation:

<u>Entities</u> are distinct or non distinguishable real-world objects,an example is a person or customer, product etc.

<u>Attributes</u> are the features or characteristics of an entity, an example is name, sales etc.

A good example to best illustrate the relationship between entities and​ attributes is an inventory and sales record which store information about products, customers, and sales, the product and customers are entities, while sales is the relationship between customers and products.

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Solution :

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  We know that : (Selling price - variable cost) x units sold = fixed expenses  

    i.e.  (20-14)x = 225,000

                  6x   = 225,000

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So, the break even analysis = 37,500 x 20

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b). $\text{Contribution margin ratio} = \frac{\text{(Sales - variable cost) }}{\text{sales}}$

                                              $=\frac{20-14}{20}$

                                             = 30%

    The Breakeven sales = $\frac{\text{fixed cost}}{\text{Contribution margin ratio}}$

                                         $=\frac{225,000}{30\%}$

                                         = 750,000

c). $\text{Margin of Safety ratio } = \frac{\text{(Sales - Breakeven sales)  }}{\text{sales}}$

                                        $=\frac{1,2000,000-750,000}{1,200,000}$

                                        = 37.5%

d). Units needed :

   $(20-14)x - 225,000 = 150,000$

    $6x - 225,000 = 150,000$

    $6x = 375000$

     x=62,500  units

Therefore, the sales required = 62,500 x 20

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Explanation:

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Answer:

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