Firms A,B,and C operate in the market for computers.Each firm's product is popular in the market and distinct from what the other firms offer.The following table shows the prices of laptops from 2005 through 2007. 
If 2005 is used as the base year,which of the following statements about the prices of these laptops is true?
Definitions:
Frequency
The number of occurrences of a repeating event per unit time.
Characteristic Stretching
The unique vibration of molecular bonds within a molecule, used in infrared spectroscopy to identify specific functional groups.
Frequency
The number of cycles or vibrations per unit of time; in physics and chemistry, it often relates to the energy levels of atoms and molecules.
Least Intense
Describes the weakest signal or effect in a set of data or spectral analysis, often indicative of low concentration or sensitivity.
Q2: Consider the following information about the price
Q5: One of the most basic models of
Q17: Tom and Jerry have two tasks to
Q26: Suppose that a worker in Country A
Q45: A dummy variable can be used to
Q92: Causal forecasting models are based on regression
Q95: If the number of dummy variables representing
Q106: Consider the regression equation <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4266/.jpg" alt="Consider
Q113: Trade-offs are:<br>A) associated with every decision.<br>B) do
Q122: If we consider the reality that each