Which of the following is not a factor of production?

Which of the following is an example of a normative statement?

What is the total economic profit (including opportunity cost) for the entrepreneur considering starting the business described here: Pat is considering leaving their job making $100,000 a year to start a company. They expect revenue in the first year to be $200,000. They expect to pay their employees a total of $50,000. They expect COGS to be $10,000. Pat will also invest $20,000 of their own money to buy equipment. This $20,000 was in a savings account earning 5% per year in interest.

Consider the market for kale. Assume the FDA releases a new study on the health benefits of eating kale, while at the same time the cost of farm labor falls. What will the effect on equilbirium price and quantity. It may be helpful to draw a graph here showing supply and demand.

Assume two countries, Country A and Country B can produce only two products – wheat and corn. If country A devotes all their resources to wheat they can produce 100 units per year, and if they devote all their resources to corn, they can produce 25 units per year. If country B devotes all their resources to wheat they can produce 60 units per year, and if they devote all their resources to corn, they can produce 10 units per year. Which of the following statements is true?

If the countries described in question #9 specialize in the goods for which they have a comparative advantage in, what is the total amount of wheat and corn they will have collectively?