change in producers surplus

3. (7 points) For each of the following production functions, calculate the change in producers surplus when the price increases from $20 to $25. How do these numbers compare to the change in profits gained by the firm when the price changes from $20 to $25? (Note: w=20, r=50) a. Q - 10 K-'1.5B in the long-run with capital flexible. B is the amount of Building Space employed, which is held fixed at I unit in both the long-run and the short-run and has a price of $100 per unit. b. Q=(4K.6+ 81,6)1.25