The welding department supplies parts to the final assembly line. Management decides to implement a kanban system and has collected the following data: • The daily demand is 2000 units. • The production lead time is 4 days (this includes processing time, transport time, and waiting time). • Management has decided to have 1 day of safety stock. • One container fits 400 units. How many kanban containers will be needed to support this system?

The common stock and debt of northern sludge are valued at $65 million and $35 million, respectively. investors currently require a return of 15.9% on the common stock and a return of 7.8% on the debt. if northern sludge issues an additional $14 million of common stock and uses this money to retire debt, what happens to the expected return on the stock? assume that the change in capital structure does not affect the interest rate on northern’s debt and that there are no taxes.

John has been working as a tutor for $300 a semester. when the university raises the price it pays tutors to $400, jasmine enters the market and begins tutoring as well. how much does producer surplus rise as a result of this price increase?

Arguments made against free trade include all of the following exceptdumping is an unfair trade practice that puts domestic producers of substitute goods at a disadvantage that they should be protected against. national defense considerations justify producing certain goods domestically whether the country has a comparative advantage in their production or not. free trade is inflationary and should be restricted in the domestic interest. if foreign governments subsidize their exports, foreign firms that export are given an unfair advantage that domestic producers should be protected against. infant industries should be protected from free trade so that they may have time to develop and compete on an even basis with older, more established foreign industries.