Johnson Is Hired by a Company to See If a New

question 100

Multiple Choice

Johnson is hired by a company to see if a new product,Topocal,will cause hair to grow on the heads of bald men.He recruits one thousand bald men,and randomly divides them into two groups:Five hundred (group A) rub Topocal on their scalps each day;the other five hundred (group B) rub a standard skin lotion on their scalps each day.After two months,Johnson checks to see what the results have been.He finds that there has been hair growth in 7 percent of group A and in 2 percent of group B.The category that best fits this study is

• A)prospective observational study.
• B)retrospective observational study.
• C)randomized controlled experiment.

Record transactions under various methods (gross price, net price, allowance).

Understand and explain the concepts of gross price and net price methods of recording credit sales, including their impact on financial statements.

Reconcile bank and book cash balances.

Explain the mechanisms for accelerating cash inflows from receivables (pledging, assigning, factoring).

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Definitions:

Implements

A keyword in Java used by classes to specify that they will provide implementations for the methods defined in an interface.

Interface

In programming, an interface is a reference type that defines a set of abstract methods that a class must implement.

Concrete Class

A class that has an implementation for all of its methods, as opposed to abstract classes which can contain unimplemented methods.

Abstract Class

A class that cannot be instantiated and is designed to be subclassed, often containing one or more abstract methods which must be implemented by subclasses.