*ECONOMICS* please help
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Which of the following best describes how the federal reserve bank banks during a bank run? a. the federal reserve bank regulates exchanges to prevent the demand for withdrawals from rising above the required reserve ratio. b. the federal reserve bank acts as an insurance company that pays customers if their bank fails. c. the federal reserve bank has the power to take over a private bank if customers demand too many withdrawals. d. the federal reserve bank can provide a short-term loan to banks to prevent them from running out of money. 2b2t

Seattle bank’s start-up division establishes new branch banks. each branch opens with three tellers. total teller cost per branch is $96,000 per year. the three tellers combined can process up to 90,000 customer transactions per year. if a branch does not attain a volume of at least 60,000 transactions during its first year of operations, it is closed. if the demand for services exceeds 90,000 transactions, an additional teller is hired and the branch is transferred from the start-up division to regular operations. required what is the relevant range of activity for new branch banks

In each of the following cases, find the unknown variable. ignore taxes. (do not round intermediate calculations and round your answers to the nearest whole number, e.g., 32.) accounting unit price unit variable cost fixed costs depreciation break-even 20,500 $ 44 $ 24 $ 275,000 $ 133,500 44 4,400,000 940,000 8,000 75 320,000 80,000