Total revenue for producing 10 units of output is $5. Total revenue for producing 11 units of output is $9. Given this information, the Average revenue for producing 11 units is $2. Average revenue...

Total revenue for producing 10 units of output is $5. Total revenue for producing 11 units of output is $9. Given this information, the

1. 
   
   
   
   1. Average revenue for producing 11 units is $2.
   
   
   2. Average revenue for producing 11 units is $4
   
   
   3. Marginal revenue for producing the 11^th
      unit is $2.
   
   
   4. Marginal revenue for producing the 11^th
      unit is $4.