When the Method ReadLine)tries to Read Beyond the End of a File,it

question 21

Multiple Choice

When the method readLine) tries to read beyond the end of a file,it returns the value of:

• A)1
• B)-1
• C)null
• D)none of the above

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Definitions:

Marginal Cost

The incremental cost of producing an additional unit of a good or service.

Marginal Revenue

The additional revenue gained from selling one more unit of a product or service.

Downward-Sloping Demand

Describes a market phenomenon where a product's demand decreases as its price increases, according to the law of demand.

Price

The expenditure involved in buying a good or service.