Answer:
The correct answer is b. an implied contract.
Explanation:
The theory of implicit contracts refers to the fact that the relationship between employers and workers is governed, in addition to the "explicit" legal contracts signed between the two, by a multitude of tacit commitments established during the understanding between the two parties. Implied contracts are unwritten agreements and informal rules that companies have with their workers, and that, in many cases, are justified in the commitment to wage stability. In this theory, companies set wages within a broad and long-term strategy or stability of the employment relationship.
Answer:
$12 billion.
Explanation:
Given: Value added during 2011= $78 billion.
Total sales= $90 billion.
Intermediate goods are the goods used to produce final product and it is not included in the calculation of GDP, however, it is included in the value of final goods.
Now, finding the value of intermediate goods purchased.
Intermediate goods= 
⇒ Intermediate goods= 
∴ Intermediate goods= 
Hence, value of intermediate goods purchased is $12 billion.
Answer: B. radio frequency identification.
Explanation: Radio Frequency Identification (RFID) is the use of radio waves to read and capture information stored on a tag attached to an object, providing a unique identifier for an object. RFID Technology is used in many industries and in a wide variety of applications as it can deliver a number of benefits fo item-revelations.
RFID is used for item level tagging in retail stores. In addition to inventory control, this provides both protection against theft by customers (shoplifting) and employees ("shrinkage") by using electronic self-checkoutillance (EAS), and a self checkout process for customers.
