Consider the Following to Answer the Question(s) Below

Consider the following to answer the question(s) below:
A regression was performed to predict the selling price of a yacht in thousands of dollars based on the number of rooms it had, its age (years) , and its length (feet) . The R2 is 68.45%. The equation is given here.
Selling Price = 120.51 + 7.46 Rooms - 1.78 Age + 2.83 Length
-Which of the following statements is true?

A) For a given age and length, every extra room is associated with an additional $7,460 in the average selling price of the yacht.
B) The model fits 68.45% of the data.
C) Every additional foot of length causes the selling price of the yacht to increase by $2,830.
D) The price of a yacht goes down $1,780 with every year it ages.
E) The selling price of an individual yacht cannot be predicted with this model.