If bookstore ABC Books determines it is going to sell books at its profit-maximizing price of $15 in a market facing monopolistic competition, calculate total profit for the store ABC Books Revenue and Cost

Quantity Price Total Revenue Marginal Revenue Total Cost Marginal Cost

0 $26 $0 $325

10 $23 $230 $23 $365 $4

20 $20 $400 $17 $425 $6

30 $18 $540 $14 $505 $8

40 $16 $640 $10 $605 $10

50 $14 $700 $6 $725 $12

60 $12 $720 $2 $865 $14

Amarket that consists of all possible consumers regardless of their specific needs or wants is a

Profits from using currency options and futures.on july 2, the two-month futures rate of the mexican peso contained a 2 percent discount (unannualized). there was a call option on pesos with an exercise price that was equal to the spot rate. there was also a put option on pesos with an exercise price equal to the spot rate. the premium on each of these options was 3 percent of the spot rate at that time. on september 2, the option expired. go to the oanda.com website (or any site that has foreign exchange rate quotations) and determine the direct quote of the mexican peso. you exercised the option on this date if it was feasible to do so. a. what was your net profit per unit if you had purchased the call option? b. what was your net profit per unit if you had purchased the put option? c. what was your net profit per unit if you had purchased a futures contract on july 2 that had a settlement date of september 2? d. what was your net profit per unit if you sold a futures contract on july 2 that had a settlement date of september 2

You are bearish on telecom and decide to sell short 100 shares at the current market price of $50 per share. a. how much in cash or securities must you put into your brokerage account if the broker’s initial margin requirement is 50% of the value of the short position? b. how high can the price of the stock go before you get a margin call if the maintenance margin is 30% of the value of the short position? (input the amount as a positive value. round your answer to 2 decimal places.)