In many businesses, employees may work on a number of different projects. Each week, they will submit a time card that lists each project on a separate line, along with the number of hours that they have worked that week on that project.

• Describe each class in English.

• Draw the class diagram, including association classes if required.

• Describe each association in English (both directions).

• Draw the relation scheme.

The solution to this exercise will be discussed in class or posted online at a later date.

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