Question: (5) A multiple regression equation for the list price of homes in a certain community in the USA is \[{Y}'=170,000-850{{X}_{1}}+28,000{{X}_{2}}\], where \[{{X}_{1}}\] represents age in years and \[{{X}_{2}}\] represents number of rooms.

If a prospective buyer is interested in an older, well-constructed home about 55 years old with 10 rooms, what would be the predicted list price in that community? (Show your procedure.)