Twenty years from now, you want to spend $175,000 for a fancy car. How much must you deposit as a lump sum today to achieve this goal at an annual interest rate of 6.6 percent?

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?

You are to receive five gold coins from your great uncle as an incentive to study hard. the coins were originally purchased in 1982. your great uncle will deliver the coins the week after finals (assuming your grades are "acceptable"). the amount your great uncle paid for the coins is a(n): indirect cost. overhead cost. opportunity cost. sunk cost.

Rich is researching for an economics paper on the history of exchange rates between the us and great britain. the best choice for rich to use is