Task: Question Answering
Input (English): Question: The Arnolds purchased 550 square feet of Kentucky Gem sod at $1.59 per square foot and 270 square feet of Zelzea Blue sod at $1.38 per square foot. What was the approximate average price per square foot paid for all the sod?

 Option A: $1.63

 Option B: $1.40

 Option C: $1.68

 Option D: $1.72

 Option E: $1.76
Output (English): Option B