2. Which of the following is an economic fact? a. The direct cost of President Biden's plan to forgive student loan debt is partly made up of the added tax burden that will be placed on workers in the future. b. Climate change regulations that seek to forcibly reduce the use of fossil fuels has had the unintended consequence of increasing the poverty rate around the world. c. Whenever people allow emotions like revenge or racism to enter into the decision-making process it increases the likelihood of making an irrational decision. d. The marginal cost of each hour you studied for this exam, when compared to the marginal benet, is one tool that could have been used to pick the optimal number of study hours. e. All of the above