For performance reports to be most effective for management by exception, they should: a. show all of the costs associated with the responsibility center being reported about. b. be issued as soon as possible after the activity or period covered. c. be issued at the same time for all responsibility centers. d. be held until the financial statements for the month have been issued.

Show the changes to the t-accounts for the federal reserve and for commercial banks when the federal reserve buys $50 million in u.s. treasury bills. if the public holds a fixed amount of currency (so that all loans create an equal amount of deposits in the banking system), the minimum reserve ratio is 10%, and banks hold no excess reserves, by how much will deposits in the commercial banks change? by how much will the money supply change? show the final changes to the t-account for commercial banks when the money supply changes by this amount.

Atlas manufacturing produces a unique valve, and has the capacity to produce 50,000 valves annually. currently atlas produces 40,000 valves and is thinking about increasing production to 45,000 valves next year. what is the most likely behavior of total manufacturing costs and unit manufacturing costs given this change? a. total manufacturing costs will increase and unit manufacturing costs will also increase. b. total manufacturing costs will stay the same and unit manufacturing costs will stay the same. c. total manufacturing costs will increase and unit manufacturing costs will decrease. d. total manufacturing costs will increase and unit manufacturing costs will stay the same.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.