When Lana went to Bookdreams. com to look for books on health and wellness, she saw a personalized greeting and book recommendations. The greeting and books recommendations were based on her previous visits to the site. Which of the following best describes how Bookdreams. com knew that Lana has accessed their site?
A. Another retailer sold her private information to Bookdreams. com.
B. Bookdreams. com placed cookies on her computer to identify her.
C. Bookdreams. com used retail analytics to create a personalized offer.
D. The site used the 80-20 scheme to analyze her buying behavior.
E. The site used market basket analysis to predict her buying patterns.

Your aunt is thinking about opening a hardware store. she estimates that it would cost $300,000 per year to rent the location and buy the stock. in addition, she would have to quit her $45,000 per year job as an accountant. a. define opportunity cost. b. what is your aunt's opportunity cost of running a hardware store for a year? if your aunt thought she could sell $350,000 worth of merchandise in a year, should she open the store? explain.

You have just been hired as a financial analyst for barrington industries. unfortunately, company headquarters (where all of the firm's records are kept) has been destroyed by fire. so, your first job will be to recreate the firm's cash flow statement for the year just ended. the firm had $100,000 in the bank at the end of the prior year, and its working capital accounts except cash remained constant during the year. it earned $5 million in net income during the year but paid $800,000 in dividends to common shareholders. throughout the year, the firm purchased $5.5 million of machinery that was needed for a new project. you have just spoken to the firm's accountants and learned that annual depreciation expense for the year is $450,000; however, the purchase price for the machinery represents additions to property, plant, and equipment before depreciation. finally, you have determined that the only financing done by the firm was to issue long-term debt of $1 million at a 6% interest rate. what was the firm's end- of-year cash balance? recreate the firm's cash flow statement to arrive at your answer

Afirm’s production function is represented by q(m,r) = 4m 3/4r1/3, where q denotes output, m raw materials, and r robots. the firm is currently using 6 units of raw materials and 12 robots. according to the mrts, in order to maintain its output level the firm would need to give up 2 robots if it adds 9 units of raw materials. (a) true (b) false