The demand for fax machines in thousands of units has been estimated to be Q = 1,000 – 1.5 P + 5 L, where P is the price of the machines and L is the average cost of a 10-minute midday call from Los Angeles to New York. At a fax machine price of $400 and a phone call cost of $10, the price elasticity of demand for fax machines is:

Email viruses are typically launched by people who modify header information to hide their identity. brightmail's enrique salem says that in the future, your email reader will authenticate the sender before putting hte message in your inbox. that way, you will know the source of all the emails you read. alan nugent of novell says, "i'm kind of a fan of eliminating anonymity if that is the price for security." will eliminating anonymity make computers more secure?

Throne technical university is looking for three people to work in its plant-biology laboratory. the hiring manager is finding that the most suitable job candidates live in other countries and are not willing to move to the city where the university is located. which situation is the university facing? a. lack of flexible workforce b. surpluses in labor talent c. an appearance of quota systems d. deficits in minimum wage demands

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