Schister Systems uses the following data in its Cost-Volume-Profit analyses: Total Sales $ 400,000 Variable expenses 280,000 Contribution margin 120,000 Fixed expenses 100,000 Net operating income $ 20,000 What is total contribution margin if sales volume increases by 20%

Winston uses the high-low method. it had an average cost per unit of $10 at its lowest level of activity when sales equaled 10,000 units and an average cost per unit of $6.50 at its highest level of activity when sales equaled 20,000 units. what would winston estimate its total cost to be if sales equaled 8,000 units?

Juan has a retail business selling skateboard supplies he maintains large stockpiles of every item he sells in a warehouse on the outskirts of town he keeps finding that he has to reorder certain supplies all the time but others only once a year how can he solve this problem?

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?