Find the Requested Average, and Round Your Answer as Indicated $15,929.0$

Find the requested average, and round your answer as indicated.
-The table below shows the square footage of homes of a group of families. Find the average square footage and round to the nearest tenth.

A) 9986.4 square feet
B) 7960.0 square feet
C) 9986.3 square feet
D) $15,929.0$ square feet