A customer has a young disabled child with multiple sclerosis and wishes to invest enough money to provide $5,000 a month in perpetuity to pay for ongoing medical expenses. Upon the death of the disabled individual, the principal amount will be left to a charity searching for a cure for the disease. Assuming that the principal can be invested at a 6% annual rate of return, the required principal amount is:

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How much of your paycheck do you have immediate access to once you deposit it into your bank account a. all of it b. a portion of it c. none of it

Rate of return, standard deviation, coefficient of variation personal finance problem mike is searching for a stock to include in his current stock portfolio. he is interested in hi-tech inc.; he has been impressed with the company's computer products and believes hi-tech is an innovative market player. however, mike realizes that any time you consider a technology stock, risk is a major concern. the rule he follows is to include only securities with a coefficient of variation of returns below 1.07. mike has obtained the following price information for the period 2015 through 2018:hi-tech stock, being growth-oriented, did not pay any dividends during these 4 years. a. calculate the rate of return for each year, 2015 through 2018, for hi-tech stock. b. assume that each year's return is equally probable and calculate the average return over this time period. c. calculate the standard deviation of returns over the past 4 years. (hint: treat this data as a sample.) d. based on b and c determine the coefficient of variation of returns for the security. e. given the calculation in d what should be mike's decision regarding the inclusion of hi-tech stock in his portfolio?