A buyer of a $1 million house would pay $15,000.

Another buyer paid $18.3 million for the 26th floor in April.

The buyers paid various prices up to about $22 a share.

That means the buyers are paying less than $142 million.

Buyers are paying more than ever for the best homes.

In a just world, those buyers would pay a greater share of Apple's research costs.

So these buyers may be paying a big price for a benefit they already have.

The price a buyer would pay will be affected by this difference.

Buyers who bought property after 1978 would pay taxes based on the market value.

But over the last year, buyers have paid high prices for work they considered extraordinary.