The city has a boat tour whose visitors use the river for recreation. The city also has a ketchup factory that dumps industrial waste into the river. This pollutes the river and makes it a less desirable vacation destination. That is, the ketchup factory's waste decreases the boat tour's economic profit. How does the ketchup factory's waste affect the boat tour's economic profit?
1) It increases the boat tour's economic profit
2) It has no effect on the boat tour's economic profit
3) It decreases the boat tour's economic profit
4) Cannot be determined
