1. Use this Excel model to determine what is the number of fishing boats when the profits is zero and we halve the price for fish.

2. Use this Excel model to define what is the number of fishing boats when the profits is zero and we increase the carrying capacity with 25%.

3. What is the number of fishing boats when the profits is zero and we halve the intrinsic growth rate r due to pollution of the oceans?

4. What is the number of fishing boats when the profits is zero and we double the costs factor c due to extra requirements for the boats?

Incorrect ouestion 2 Question 3 0 / 0.5 pts Biologists have estimate that the carrying capacity of blue whales is 1,000,000 and the natural growth rate is 2% per year. WHat is a sustainable annual harvest level of blue whales? 980,000 look at the maximum sustainable yield section of the chapter F5 - @ fx C =+$B$2*$B$3*5*$B$4* (1-$B$3*5/$B$5) D E F G H A B I J K L M N P e 30000000 10,000 0.004 100,000 0.08 ######## Effort 20000000 10000000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Revenue Costs 0 0 0 13800000 1000000 2 7200000 2000000 3 10200000 3000000 4 12800000 4000000 5 15000000 5000000 6 16800000 6000000 7 18200000 7000000 8 19200000 8000000 9 19800000 9000000 10 20000000 10000000 11 19800000 11000000 12 19200000 12000000 13 18200000 13000000 14 16800000 14000000 15 15000000 15000000 16 12800000 16000000 17 10200000 17000000 18 7200000 18000000 19 3800000 19000000 20 0 20000000 21 -4200000 21000000 22 -8800000 22000000 23 -1. 4E+07 23000000 24 -1.9E+07 24000000 25 -2. 5E+07 25000000 -10000000 Revenue Costs -20000000 -30000000 Incorrect ouestion 2 Question 3 0 / 0.5 pts Biologists have estimate that the carrying capacity of blue whales is 1,000,000 and the natural growth rate is 2% per year. WHat is a sustainable annual harvest level of blue whales? 980,000 look at the maximum sustainable yield section of the chapter F5 - @ fx C =+$B$2*$B$3*5*$B$4* (1-$B$3*5/$B$5) D E F G H A B I J K L M N P e 30000000 10,000 0.004 100,000 0.08 ######## Effort 20000000 10000000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Revenue Costs 0 0 0 13800000 1000000 2 7200000 2000000 3 10200000 3000000 4 12800000 4000000 5 15000000 5000000 6 16800000 6000000 7 18200000 7000000 8 19200000 8000000 9 19800000 9000000 10 20000000 10000000 11 19800000 11000000 12 19200000 12000000 13 18200000 13000000 14 16800000 14000000 15 15000000 15000000 16 12800000 16000000 17 10200000 17000000 18 7200000 18000000 19 3800000 19000000 20 0 20000000 21 -4200000 21000000 22 -8800000 22000000 23 -1. 4E+07 23000000 24 -1.9E+07 24000000 25 -2. 5E+07 25000000 -10000000 Revenue Costs -20000000 -30000000