Businesses that cater to anglers (people who fish) need to find ways to promote their business. One way is to host a fishing derby. In this scenario, we will pretend that a group of businesses near a lake start planning for a fishing derby. Originally, the lake does not contain any bass, so they stock the lake with 50 bass. A year later, they estimate there are 70 bass in the lake. 21. What is the absolute rate of change in the bass population? 22. What is the relative rate of change in the bass population?