I need help with these please. Question 3 is part of question 1.

3. Use the same information as in Exercise 1. a. Derive the firm's short-run supply curve. (Hint: You may want to plot the appropriate cost curves.) b. If 100 identical firms are in the market, what is the industry supply curve?1. The data in the table below give information about the price (in dollars) for which a rm can sell a unit of out- put and the total cost of production. a. Fill in the blanks in the table. b. Show what happens to the firm's output choice and prot if the price of the product falls from $60 to $50