Calculate Total Sales Revenue and Average Sales Revenue at 320 pounds of output in the following chart. Total Output (Q) Price per Pound Total Sales Revenue and (Pounds) ($1.50) Average Sales Revenue (1) (2) (3) O $1.50 100 $1.50 250 $1.50 320 $1.50 380 $1.50 420 $1.50 430 $1.50