The public debt is the: a.) amount of u. s. paper currency in circulation b.) ratio of all past deficits to all past surpluses c.) accumulation of all past deficits minus all past surpluses d.) the difference between current government expenditures and current tax revenues

Andrea cujoli is a currency speculator who enjoys "betting" on changes in the foreign currency exchange market. currently the spot price for the japanese yen is ¥129.87/$ and the 6-month forward rate is ¥128.53/$. andrea would earn a higher rate of return by buying yen and a forward contract than if she had invested her money in 6-month us treasury securities at an annual rate of 2.50%. true/false?