A large share of the world supply of diamonds comes from Russia and South Africa. Suppose that the marginal cost (and ATC) of mining diamonds is constant at $1,000 per diamond, and the demand for diamonds is described by the following schedule: Table 2: Demand for Diamonds
Price Quantity
$8,000 5,000
7,000 6,000
6,000 7,000
5,000 8,000
4,000 9,000
3,000 10,000
2,000 11,000
1,000 12,000
(a) If there were many suppliers of diamonds, what would be the price and quantity?
(b) If there were only one supplier of diamonds, what would be the price and quantity?
(c) If Russia and South Africa formed a cartel, what would be the price and quantity? If the countries split the market evenly, what would be South Africa's production and profit? What would happen to South Africa's profit if it increased its production by 1,000 while Russia stuck to the cartel agreement?
(d) Use your answers to part (c) to explain why cartel agreements are often not successful.

John novosel was employed by nationwide insurance company for fifteen years. novosel had been a model employee and, at the time of discharge, was a district claims manager and a candidate for the position of division claims manager. during novosel's fifteenth year of employment, nationwide circulated a memorandum requesting the participation of all employees in an effort to lobby the pennsylvania state legislature for the passage of a certain bill before the body. novosel, who had privately indicated his disagreement with nationwide's political views, refused to lend his support to the lobby, and his employment with nationwide was terminated. novosel brought two separate claims against nationwide, arguing, first, that his discharge for refusing to lobby the state legislature on behalf of nationwide constituted the tort of wrongful discharge in that it was arbitrary, malicious, and contrary to public policy. novosel also contended that nationwide breached an implied contract guaranteeing continued employment so long as his job performance was satisfactory. what decision as to each claim?

Assume that all of thurmond company’s sales are credit sales. it has been the practice of thurmond company to provide for uncollectible accounts expense at the rate of one-half of one percent of net credit sales. for the year 20x1 the company had net credit sales of $2,021,000 and the allowance for doubtful accounts account had a credit balance, before adjustments, of $630 as of december 31, 20x1. during 20x2, the following selected transactions occurred: jan. 20 the account of h. scott, a deceased customer who owed $325, was determined to be uncollectible and was therefore written off. mar. 16 informed that a. nettles, a customer, had been declared bankrupt. his account for $898 was written off. apr. 23 the $906 account of j. kenney & sons was written off as uncollectible. aug. 3 wrote off as uncollectible the $750 account of clarke company. oct. 20 wrote off as uncollectible the $1,130 account of g. michael associates. oct. 27 received a check for $325 from the estate of h. scott. this amount had been written off on january 20 of the current year. dec. 20 cater company paid $7,000 of the $7,500 it owed thurmond company. since cater company was going out of business, the $500 balance it still owed was deemed uncollectible and written off. required: prepare journal entries for the december 31, 20x1, and the seven 20x2 transactions on the work sheets provided at the back of this unit. then answer questions 8 and 9 on the answer sheet. t-accounts are also provided for your use in answering these questions. 8. which one of the following entries should have been made on december 31, 20x1?

You are head of the schwartz family endowment for the arts. you have decided to fund an arts school in the san francisco bay area in perpetuity. every 5 years, you will give the school $ 1 comma 000 comma 000. the first payment will occur 5 years from today. if the interest rate is 5.9 % per year, what is the present value of your gift?