Tamarisk-air is selling a new model of high-efficiency air conditioner. to stimulate interest, tamarisk-air is granting certain large customers the unconditional right to return these air conditioners if not fully satisfied. the right of return extends for six months. tamarisk-air estimates returns of 9%. tamarisk-air sells these air conditioners on account for $20,790,000 (cost $9,355,500) on april 2, 2017. customers are required to pay the full amount due by june 15, 2017.prepare the journal entry for marin-air on april 2, 2017. use the gross method to record sales. (credit account titles are automatically indented when amount is entered. do not indent manually. if no entry is required, select "no entry" for the account titles and enter 0 for the amounts.)

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?