Lake community college gives its faculty the option of receiving the balance of their contract at the end of the semester on may 17, the faculty can receive one lump-sum payment instead of receiving the remaining seven biweekly pays over the summer. use the data given below to complete the payroll register on may 17. no employee has reached the oasdi ceiling, and all employees are taking the lump-sum payment. the state withholding rate is 2.0% of total earnings; the city withholding rate is 1.0% of total earnings. the biweekly wage bracket is used for federal income taxes.

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?