3. The amount of fish caught per week on a trawler is a function of the crew size assigned to operate the boat. Based on past data, the following production schedule was developed: CREW SIZE (NUMBER AMOUNT OF FISH CAUGHT PER OF WORKERS) WEEK (HUNDREDS OF LBS) 3 6 11 19 24 28 8 31 33 10 34 11 34 12 33 a. Over what ranges of workers are there (i) increasing, (ii) constant, (iii) decreasing,and (iv) negative returns? b. How large a crew should be used if the trawler owner is interested in maximizing the total amount of fish caught? c. How large a crew should be used if the trawler owner is interested in maximizing the average amount of fish caught per worker