Help please!

Let f(p) be the average number of days a house stays on the market before being sold for price p in $1,000s. Which statement best describes the meaning of f(250)?

The house sold for $250,000.
The house stayed on the market for an average of 250 days before being sold.
This is the average number of days the house stayed on the market before being sold for $250,000.
The house sold on the market for $250,000 and stayed on the market for an average of 250 days before being sold.

Question

Help please!

Let f(p) be the average number of days a house stays on the market before being sold for price p in $1,000s. Which statement best describes the meaning of f(250)?

 The house sold for $250,000.
 The house stayed on the market for an average of 250 days before being sold.
 This is the average number of days the house stayed on the market before being sold for $250,000.
 The house sold on the market for $250,000 and stayed on the market for an average of 250 days before being sold.