A person purchased the NE 1/4 and the S half of the SW 1/4 for $360,000. How many acres did she purchase and how much did she pay per acre
a) 280 acres for $1,285.71 per acre
b) 160 acres for $2,250 per acre
c) 200 acres for $1,800 per acre
d) 320 acres for $1,125 per acre