I need help on these 2 microeconomic questions.

Question 1 (2.5 points) J Saved What is the general purpose of Economics? @ To study the choices individuals make when faced with scarce resources. 0 To come up with prescriptions about achieving personal wealth. 0 To convince the general public that markets are the best way to perform transactions. 0 To convince the general public that the government should not intervene in the economy. Question 2 (2.5 points) The opportunity cost of building a parking lot is 0 none 0 the value of the property and resources used at all of their alternative use 0 the cost of inputs (concrete, labor, etc.) used to build the lot 0 the cost of concrete, labor, etc. used to build the lot plus the value of the property and resources used at their next-best alternative use