Is a type of data encryption that enables users of the internet to securely and privately exchange data through the use of a pair of keys that is obtained from a trusted authority and shared through that authority. a. a public key infrastructure b. a private key infrastructure c. secret key encryption d. open key encryption 2

Baker industries’s net income is $24,000, its interest expense is $5,000, and its tax rate is 40%. its notes payable equals $27,000, long-term debt equals $75,000, and common equity equals $250,000. the firm finances with only debt and common equity, so it has no preferred stock. what are the firm’s roe and roic?

Last year, western corporation had sales of $5 million, cost of goods sold of $3 million, operating expenses of $175,000 and depreciation of $125,000. the firm received $40,000 in dividend income and paid $200,000 in interest on loans. also, western sold stock during the year, receiving a $40,000 gain on stock owned 6 years, but losing $60,000 on stock owned 4 years. what is the firm's tax liability?

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