Joseph is a friend of yours. he has plenty of money but little financial sense. he received a gift of $12,000 for his recent graduation and is looking for a bank in which to develop the funds. partner savings Bank offers an account with an annual interest rates of 3% compound semiannually , while Selwyn offers an account with a 2.75% annual interest rates compounded continuously. calculate the value of the two accounts at the end of one year, and recommend to Joseph which account he should choose​

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?