The residential division of prism’s high-speed internet service uses one advertising agency while its commercial division uses another. two analysts, andy and brad, are asked to test evaluate the effectiveness of the two agencies. andy proposes an a/b test that compares the click-through rates per ad for the two agencies. brad proposes a difference-in-difference test in which the budgets for both agencies are increased by 50% and the percent change in click-through rates are compared. what might be the sources of selection bias for the two proposals? which is likely to be smaller?

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

Afamily wishes to save for future college expenses. which financial tool should the family invest in?

What are consequences of rapid inflation? (select all that apply.) savings accounts become less desirable because interest earned is lower than inflation individual purchasing power increases, which results in an increase in demand. individual purchasing power decreases, which results in a decrease in demand. people postpone purchasing expensive items, such as homes, until prices drop.