Based on the Customer Table Below, Which of the Attributes

question 53

Multiple Choice

Based on the customer table below, which of the attributes do you think represents the primary key?
Customer table

• A) Address
• B) Name
• C) Customer_Number
• D) Zip

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Definitions:

Income Tax Rate

The percentage at which an individual or corporation is taxed. The tax rate may increase as taxable income increases (progressive tax rates).

Profitability Index

A financial metric used to assess the desirability of an investment, calculated as the present value of future cash flows divided by the initial investment cost.

Present Value of Net Inflows

The current value of a series of cash inflows expected in the future, discounted back at a particular rate to account for the time value of money.

Annual After-Tax Cash Flow

The amount of money a company has left after paying all its taxes and accounting for all its expenses and income over a year.