Amos is a self-employed tax attorney. He and Monica, his employee, attend a tax conference in Dallas sponsored by the American Institute of CPAs. The following expenses are incurred during the trip: Amos Monica Conference registration $900 $900 Airfare 1,200 700 Taxi fares 100 0 Lodging in Dallas $750 $300 Amos pays for all of these expenses. a. What is the tax effect of these expenses for Amos? The expenses are . Calculate the total amount of deductible expenses (for both Amos and Monica). Conference registration $ Airline tickets Taxi fares Lodging Total $ b. If the American Bar Association had sponsored the conference, calculate the total amount of deductible expenses (for both Amos and Monica).

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?