What is the one major category that separates national debt from public debt?

a) debt held by foreigners

b) debt held by u. s. citizens

c) debt held by u. s. banks

d) debt held by other government agencies

Henry crouch's law office has traditionally ordered ink refills 55 units at a time. the firm estimates that carrying cost is 35% of the $11 unit cost and that annual demand is about 240 units per year. the assumptions of the basic eoq model are thought to apply. for what value of ordering cost would its action be optimal? a) for what value of ordering cost would its action be optimal?