1. a speculative attack on a currency occurs when:
a. a central bank switches from a floating to a fixed exchange rate.
b. investors' perceptions change, making a fixed exchange rate untenable.
c. a country accepts dollarization.
d. a central bank adopts a currency board to back the domestic currency with a foreign currency.

Verizon communications, inc., provides the following footnote relating to its leasing activities in its 10-k report. the aggregate minimum rental commitments under noncancelable leases for the periods shown at december 31, 2010, are as follows: years (dollars in millions) capital leases operatingleases 2011 $97 $1,898 2012 74 1,720 2013 70 1,471 2014 54 1,255 2015 42 1,012 thereafter 81 5,277 total minimum 418 $ 12,633 rental commitments less interest and (86) executory costs present value of 332 minimum lease payments less current (75) installments long-term obligation $257 at december 31, 2010 (a) confirm that verizon capitalized its capital leases using a rate of 7.4 %. (b) compute the present value of verizon's operating leases, assuming an 7.4% discount rate and rounding the remaining lease term to 3 decimal places. (use a financial calculator or excel to compute. do not round until your final answers. round each answer to the nearest whole number.)

Danielle puts 8 percent of her paycheck in a 401(k) plan administered by her employer. danielle earns $55,000 per year and is in the 28 percent tax category. what annual tax savings does she get from her contribution? if her employer matches contributions on the first 5% of her salary dollar for dollar and the second 5% 50 cents on the dollar, how much will her employer put into her account this year?

What are the business benefits of using intelligent techniques for knowledge management? define and compare an expert system, knowledge management system, and decision support system and explain how each can provide value to your organization?