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?

Which of the following is an example of an unsought good? a. cameron purchases a new bike. b. jordan buys paper towels. c. taylor buys cupcakes from her favorite bakery. d. riley buys new windshield wipers for her car.

During january 2018, the following transactions occur: january 1 purchase equipment for $20,600. the company estimates a residual value of $2,600 and a five-year service life. january 4 pay cash on accounts payable, $10,600. january 8 purchase additional inventory on account, $93,900. january 15 receive cash on accounts receivable, $23,100 january 19 pay cash for salaries, $30,900. january 28 pay cash for january utilities, $17,600. january 30 firework sales for january total $231,000. all of these sales are on account. the cost of the units sold is $120,500. the following information is available on january 31, 2018. depreciation on the equipment for the month of january is calculated using the straight-line method. the company estimates future uncollectible accounts. at the end of january, considering the total ending balance of the accounts receivable account as shown on the general ledger tab, $4,100 is now past due (older than 90 days), while the remainder of the balance is current (less than 90 days old). the company estimates that 50% of the past due balance will be uncollectible and only 3% of the current balance will become uncollectible. record the estimated bad debt expense. accrued interest revenue on notes receivable for january. unpaid salaries at the end of january are $33,700. accrued income taxes at the end of january are $10,100

Presented below is information for annie company for the month of march 2018. cost of goods sold $245,000 rent expense $ 36,000 freight-out 7,000 sales discounts 8,000 insurance expense 5,000 sales returns and allowances 11,000 salaries and wages expense 63,000 sales revenue 410,000 instructions prepare the income statement.