Individuals and organizations today face a variety of security threats. to protect themselves from these threats, they usually take certain protective measures—commonly known as safeguards. in an essay, describe some important safeguards and explain how they function to protect organizations from security threats.

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

River corp's total assets at the end of last year were $415,000 and its net income was $32,750. what was its return on total assets? a. 7.89%b. 8.29%c. 8.70%d. 9.14%e. 9.59%

Hubert manages a grocery store in a country experiencing a high rate of inflation. to keep up with inflation, he spends a lot of time every day updating the prices, printing new price tags, and sending out newspaper inserts advertising the new prices. his employees regularly deal with customer annoyance over the frequent price changes. this is an example of the of inflation.