The total costs are Rs2000 and 10 units are produced. The marginal cost of an 11th unit is Rs1300 Which of the following is true ?

• A. The average cost increase from Rs20 to Rs30
• B. The total costs for 11 units are Rs700
• C. The average cost for 10 units is Rs1300
• D. The average cost for 11 units is Rs1300