Suppose That the Invoice-Printing Application from Section 12

question 58

Multiple Choice

Suppose that the invoice-printing application from section 12.3 needs to be enhanced by including the computation and printing of sales taxes as needed.Since some vendors charge no sales taxes, the original Invoice class needs to be preserved.Select the code segment that best illustrates reuse of the existing Invoice class.

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Definitions:

Physical Characteristics

The defining traits or features of a person's body, including height, weight, skin color, hair type, and facial features.

Intensity

The magnitude or strength of a phenomenon or a signal, often used in contexts ranging from physics to emotions.

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Crests

The peaks or highest points of a wave, often used in the context of waves in physics or oceanography.