Your three alternatives to attending class on Thursday evenings are hanging out with friends (which you value at $25), driving for door dash (where you would earn $20), or reading a book for leisure (which you value at $15). The opportunity cost of attending class is: A. $25, because this is the highest valued alternative vou forfeit. B. $15, because this is the lowest valued alternative you forfeit. C. $20, because door dashing is the only alternative where you would actually receive payment..