For a recent year, McDonald's Company-owned restaurants had the following sales and expenses (in millions): Sales $28,600
Food and packaging $9,710
Payroll 7,200
Occupancy (rent, depreciation, etc.) 6,630
General, selling, and administrative expenses 4,200
$27,740
Income from operations $860

Assume that the variable costs consist of food and packaging, payroll, and 40% of the general, selling, and administrative expenses.

a. What is McDonald's contribution margin? Round to the nearest tenth of a million (one decimal place)
b. What is McDonald's contribution margin ratio? Round to one decimal place.
c. How much would income from operation increase if the same-store sales increased by $900 million for the coming year, with NO change in the contribution margin ratio or fixed costs? Round your answer to the nearest tenth of a million (one decimal place)

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?