Exercise 2. A stock market trader buys 50 shares of stock A and 100 shares of stock B. Let X and Y be the price changes to A and B, respectively, over certain period of time. Assume that the joint PMF pX, Y (x, y) is uniform over the set of integers satisfying −1 ≤ x ≤ 3, −1 ≤ y − x ≤ 1. (this means that the joint PMF is constant over the integers in this set) (a) Find the joint PMF pX, Y (x, y), the marginal PMFs pX(x) and pY (y). (b) Find E[X] and E[Y ]. (c) Determine the trader’s profit.

Which of the following is an example of formal management controls? answers: a firm's culturethe willingness of employees to monitor each otherbudgeting and reporting activitiesmanagerial motivation

Diversified semiconductors sells perishable electronic components. some must be shipped and stored in reusable protective containers. customers pay a deposit for each container received. the deposit is equal to the container’s cost. they receive a refund when the container is returned. during 2018, deposits collected on containers shipped were $856,000. deposits are forfeited if containers are not returned within 18 months. containers held by customers at january 1, 2018, represented deposits of $587,000. in 2018, $811,000 was refunded and deposits forfeited were $41,000. required: 1. prepare the appropriate journal entries for the deposits received and returned during 2018. 2. determine the liability for refundable deposits to be reported on the december 31, 2018, balance sheet.

During 2016, nike inc., reported net income of $3,760 million. the company declared dividends of $1,022 million. the closing entry for dividends would include which of the following? select one: a. credit cash for $1,022 million b. credit dividends for $1,022 million c. debit net income for $1,022 million d. credit retained earnings for $1,022 million e. debit dividends for $1,022 million