"After a tumultuous period in the stock​ market, Logan Morgan is considering an investment in one of two portfolios. Given the information that​ follows, which investment is​ better, based on risk​ (as measured by the standard​ deviation) and return as measured by the expected rate of​ return?" Portfolio A Portfolio B
Probability Return Probability Return
0.22 -4% 0.08 3%
0.50 20% 0.25 10%
0.28 23% 0.38 13%
0.29 17%

a. The expected rate of return for portfolio A:
b. The standard deviation of portfolio A is:
c. The expected rate of return for portfolio B is:
d. The standard deviation of portfolio B is:

You were able to purchase two tickets to an upcoming concert for $100 apiece when the concert was first announced three months ago. recently, you saw that stubhub was listing similar seats for $225 apiece. what does it cost you to attend the concert?

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.)

One pound of material is required for each finished unit. the inventory of materials at the end of each month should equal 20% of the following month's production needs. purchases of raw materials for february would be budgeted to be: