Please open the file and solve the question

Luc do purchased stocks for $6,000. he paid $4,000 in cash and borrowed $2,000 from the brokerage firm. he bought 100 shares at $60.00 per share ($6,000 total). the loan has an annual interest rate of 8 percent. six months later, luc do sold the stock for $65 per share. he paid a commission of $120 and repaid the loan. his net profit was how much? pls

Consider 8.5 percent swiss franc/u.s. dollar dual-currency bonds that pay $666.67 at maturity per sf1,000 of par value. it sells at par. what is the implicit sf/$ exchange rate at maturity? will the investor be better or worse off at maturity if the actual sf/$ exchange rate is sf1.35/$1.00

M. cotteleer electronics supplies microcomputer circuitry to a company that incorporates microprocessors into refrigerators and other home appliances. one of the components has an annual demand of 235 units, and this is constant throughout the year. carrying cost is estimated to be $1.25 per unit per year, and the ordering (setup) cost is $21 per order. a) to minimize cost, how many units should be ordered each time an order is placed? b) how many orders per year are needed with the optimal policy? c) what is the average inventory if costs are minimized? d) suppose that the ordering cost is not $21, and cotteleer has been ordering 125 units each time an order is placed. for this order policy (of q = 125) to be optimal, determine what the ordering cost would have to be.