True or false: if stock prices follow a random walk, a. successive stock prices are not related. b. successive stock price changes are not related. c. stock prices fluctuate above and below a normal long-run price. d. the history of stock prices cannot be used to predict future returns to investors.

Portia grant is an employee who is paid monthly. for the month of january of the current year, she earned a total of $8,388. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year and the fica tax rate for medicare is 1.45% of all earnings. the futa tax rate of 0.6% and the suta tax rate of 5.4% are applied to the first $7,000 of an employee's pay. the amount of federal income tax withheld from her earnings was $1,391.77. what is the total amount of taxes withheld from the portia's earnings?

Sauer food company has decided to buy a new computer system with an expected life of three years. the cost is $440,000. the company can borrow $440,000 for three years at 14 percent annual interest or for one year at 12 percent annual interest. assume interest is paid in full at the end of each year. a. how much would sauer food company save in interest over the three-year life of the computer system if the one-year loan is utilized and the loan is rolled over (reborrowed) each year at the same 12 percent rate? compare this to the 14 percent three-year loan.

Jake and janelle loved to prepare gourmet meals for friends and family. they started a business of preparing theme-type dinners for friends who were having parties. to generate even more interest in the business, janelle created on her website. she posted pictures of events, and close-ups of the food they served. she encouraged patrons and others to post reviews, comments, and favorite recipes, and to share their own party ideas. her promotion became a dialogue between buyers of her service and the business. interactive promotion infomercials product placement broadcast