An agent for a real estate company in a large city collected data on the sizes (x in square feet) and monthly rents (y in dollars) of a sample of eight apartments in a neighborhood. The data is shown below, along with the linear regression equation. Complete parts a through c below. =266.6+0.915x; Monthly Rent ($) Size (Square Feet) 975 1,550 825 850 1,300 950 1,450 1,950 975 1,700 1,350 1,150 2,000 750 1,350 1,100 a. Estimate the mean monthly rent for an apartment that has 1,000 square feet. The mean monthly rent for such an apartment is approximately $ (Round to the nearest cent as needed.)