Please answer 3 question below

Suppose that in the Ricardian country Alpha the production of a car requires 8 workers. What is the marginal product of a worker in the car industry in Alpha? (Please use decimal number) Answer: Consider an economy that produces cars and boats. In this economy M PLcars = 2 and M PLboats = 5. The opportunity cost of boats in this economy is: (Please use decimal number) Answer: If the maximum number of units of cloth produced is 300 and the maximum number of units of corn produced is 600, then with an M P Lcloth = 2, what is the number of workers in the economy