Suppose That the Invoice-Printing Application from Section 12

question 62

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. public class TaxableInvoice ___________________________

• A) extends Invoice
• {
• …
• }
• B) {
• Private Invoice originalInvoice;
• …
• }
• C) implements Invoice
• {
• …
• }
• D) {
• Private ArrayList<Invoice> invoices;
• …
• }

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Definitions:

Black and Hispanic Women

Women who identify with or belong to the Black and Hispanic ethnic groups, frequently discussed in contexts relating to social, cultural, or economic issues.

Poverty

A state of financial instability where individuals or families lack sufficient income to meet basic needs such as food, shelter, and healthcare.

Income Disparities

The unequal distribution of income among different groups in society.

Wealth Disparities

Refers to the significant differences in wealth (assets and income) among different groups, often analyzed by race, ethnicity, or socioeconomic status.