Firms A,B,and C operate in the market for computers.Each firm's product is popular in the market and is distinct from what the other firms offer.The following table shows the prices of laptops from 2005 through 2007. 
Which of the following is the unweighted price index for the total price of three types of laptops in 2006,using 2005 as the base year?
Definitions:
Operating Activities
Activities that relate directly to the operations of a company, including cash flows from selling goods and services.
Indirect Method
A method for preparing the cash flow statement where net income is adjusted for changes in balance sheet items to calculate cash flow from operating activities.
Depreciation Expense
This is the systematic allocation of the cost of a tangible asset over its useful life.
Investing Activities
Financial transactions and decisions related to acquiring or disposing of long-term assets and investments that can affect a company's capital structure.
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