Carry out the following calculation and report the answer using the proper number of significant figures: 
Definitions:
Expectations
The anticipations of consumers, firms, and others about future economic conditions, which can influence their decisions today.
Prices
The amount of money required to purchase goods, services, or assets.
IBM Personal Computers
refers to the series of personal computers produced by IBM since 1981, marking the start of the PC era.
Apple Computers
A leading technology company known for its innovation in personal computers, smartphones, and consumer electronics, founded by Steve Jobs, Steve Wozniak, and Ronald Wayne.
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