You just learned that you can pay off your mortgage early; every dollar beyond the scheduled payment must be applied to principal. Your $200,000 loan at 4.5% interest started with a 30 year term. It is the beginning of year 6. You are about to make the regular payment, but want to add an amount that will prepay the principal due in month 62. What is the amount of the regular payment, and how much do you need to add to prepay the principal in month 62

Suppose that, on the basis of a nation’s production possibilities curve, an economy must sacrifice 10,000 pizzas domestically to get the 1 additional industrial robot it desires but that it can get the robot from another country in exchange for 9,000 pizzas. now consider the following statement: “through international specialization and trade, a nation can reduce its opportunity cost of obtaining goods and thus ‘move outside its production possibilities curve.’”