Q. Suppose a nation picks 1000 young adults at random to serve in the army. Illustrate what information do you need to determine the cost of using these people in the Army?
Q. Janet can produce (a) 10 units of X and 20 units of Y, or (B) 20 units of x and 5 units of y. What is the cost (to Janet) of producing 0ne unit of X? one Unit of y?