Calculate Total Sales Revenue and Average Sales Revenue at 320 pounds of output in the following chart. Total Output (Q) (Pounds) (1) Price per Pound ($1.50) (2) Total Sales Revenue and Average Sales Revenue (3) 0 $1.50 100 $1.50 250 $1.50 320 $1.50 380 $1.50 420 $1.50 430 $1.50 a.) $480.00; $1.50 b.) $420.00; $1.25 c.) $420.00; $1.50 d.) $480.00; $1.25