Refer to Exhibit 20-6. Suppose the three equilibrium quantities are 700, 800, and 900, and the two other equilibrium prices are $2.20 and $2.75. What is the change in total revenue when a per-unit tax shifts S1 to S2, given that D2 is the relevant demand curve? Group of answer choices $260 -$260 $900 $700 -$200

Which of the following statements accurately describes how costs and benefits are calculated?

Cosmetic profits. sally is the executive vice president of big name cosmetics company. through important and material, nonpublic information, she learns that the company is soon going to purchase a smaller chain of stores. it is expected that stock in big name cosmetics will rise dramatically at that point. sally immediately buys a number of shares of her company's stock. she also tells her friend alice about the expected purchase of stores. alice wanted to purchase stock in the company but lacked the funds with which to do so. although she did not have the funds in bank a, alice decided to draw a check on bank a and deposit the check in bank b and then proceed to write a check on bank b to cover the purchase of the stock. she hoped that she would have sufficient funds to deposit before the check was presented for payment. of which of the following offenses, if any, is alice guilty of by buying stock?

Abank provides its customers mobile applications that significantly simplify traditional banking activities. for example, a customer can use a smartphone to take a picture of a check and electronically deposit into an account. this unique service demonstrates the bank’s desire to practice which one of porter’s strategies?