Which of the following are Taylor's principles of scientific management?

A. Management should scientifically select, train, teach, and develop each worker.
B. Management should cooperate with workers to ensure that jobs match plans and principles.

Jing-sheng facilitated a hiring committee for his advertising company. six employees (including two managers) met together to discuss applicants and select the finalists for a copywriter position in the public relations department. although the head of public relations would have the final nod on the candidate that would ultimately be hired, the evaluative work of the committee was very important because this group would send forward those persons they believed would be good work colleagues. in setting up this type of hiring process, the head of public relations was utilizing a(n) style of leadership. a. autocraticb. free-reinc. contingentd. participative

The treasurer for pittsburgh iron works wishes to use financial futures to hedge her interest rate exposure. she will sell five treasury futures contracts at $139,000 per contract. it is july and the contracts must be closed out in december of this year. long-term interest rates are currently 7.30 percent. if they increase to 9.50 percent, assume the value of the contracts will go down by 20 percent. also if interest rates do increase by 2.2 percent, assume the firm will have additional interest expense on its business loans and other commitments of $149,000. this expense, of course, will be separate from the futures contracts. a. what will be the profit or loss on the futures contract if interest rates increase to 9.50 percent by december when the contract is closed out

The 39 percent and 38 percent tax rates both represent what is called a tax "bubble." suppose the government wanted to lower the upper threshold of the 39 percent marginal tax bracket from $335,000 to $208,000. what would the new 39 percent bubble rate have to be? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)