To reduce waiting times by actively managing system constraints, managers could consider: (i) using temporary workers.(ii) shifting demand from high-demand periods to low-demand periods.(iii) offering more service variety.(iv) discovering bottlenecks. ii and iv onlyi and iii onlyiii onlyiv onlyi, ii, and iv only

Acustomer has come to your department with an urgent question. you promised her that you would collect information about her question and answer it by noon. it will take you at least 20 minutes to gather the information needed to provide an answer. it is now 11: 50 a.m. your supervisor just scheduled a 30-minute meeting to start at noon. this meeting is for all employees in your department. you decide to:

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.

Your dormitory, griffingate, has appointed you central banker of its economy, which deals in the currency of wizcoins. assume that the velocity of wizcoins in griffingate is constant at 10,000 transactions per year. right now, real gdp is 1,000 wizcoins, and there are 2,000 wizcoins in existence.