Armando received his credit card bill and noticed multiple unauthorized charges. how soon must he notify his bank of these charges before he becomes entirely responsible for paying them?
a. within 24 hours.
b. within 60 days,
c. within 2 days.
d. within a year.

b. within 60 days.

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

Alpha industries is considering a project with an initial cost of $8 million. the project will produce cash inflows of $1.49 million per year for 8 years. the project has the same risk as the firm. the firm has a pretax cost of debt of 5.61 percent and a cost of equity of 11.27 percent. the debt–equity ratio is .60 and the tax rate is 35 percent. what is the net present value of the project?

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?