Read the news

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$$clip$,$ then answer the following questions. For

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$$Amazon$,$ Arrival of the iPad Opens Door to More

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$$e

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Book Sales

Electronic books are expected to be a major selling point for

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$$Apple$\text{'}$s iPad.

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$$Amazon$,$ Apples's main

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$$competitor$,$ produces the Kindle and

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$$e

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books to be read on the Kindle. But Amazon says that it will produce an iPad app that will enable iPad users to read Kindle

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$$e

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books.

Amazon has tussled with publishers over

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$$e

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book prices, but book publishers will adopt a new pricing model that might improve

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$$Amazon$\text{'}$s profit margin on

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$$e

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books. The new

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$$e

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book prices will assign

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$3$

$0$

$\%$

$$of revenue to

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$$e

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book retailers such as Amazon and Apple. he news clip implies a tradeoff between$\_\_\_\_\_\_.$

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$$

A$.$

the revenue received by$$ e$-$book retailers and the revenue received by publishers

B$.$

an$$ e$-$book reader from Amazon$($the Kindle$)$ and an$$ e$-$book reader from Apple$($the iPad$)$

C$.$

the Apple iPad and$$ Amazon's e$-$books

D$.$

the iPad and an app for the iPad