A day trader buys an option on a stock that will return $150 profit if the stock goes up today and lose $650 if it goes down. Complete parts a and b below given that the trader thinks there is a 70 % chance that the stock will go up. a) What is her expected value of the option's profit?
b) What do you think of this option?

Ineed : ): will mark brainliest! describe sinek's golden circle. what does he use this for? sinek argues that "people don't buy 'what' you do; people buy 'why' you do it." what does he mean by this? do you agree or disagree with him? why? what are the advantages of hiring people who share the same beliefs and visions in terms of the company's 'why' or purpose? why wasn't tivo successful as a company? what is the difference between leaders and those who lead? how does safety contribute to trust and cooperation? what are some ways that leaders can make the company environment safe? what are the advantages of companies where employees feel safe and protected?

Ds unlimited has the following transactions during august. august 6 purchases 58 handheld game devices on account from gamegirl, inc., for $140 each, terms 2/10, n/60. august 7 pays $340 to sure shipping for freight charges associated with the august 6 purchase. august 10 returns to gamegirl three game devices that were defective. august 14 pays the full amount due to gamegirl. august 23 sells 38 game devices purchased on august 6 for $160 each to customers on account. the total cost of the 38 game devices sold is $5,448.51. required: record the transactions of ds unlimited, assuming the company uses a perpetual inventory system. (if no entry is required for a transaction/event, select "no journal entry required" in the first account field. round your answers to 2 decimal places.)

Mr. beautiful, an organization that sells weight training sets, has an ordering cost of $40 for the bb-1 set. (bb-1 stands for body beautiful number 1.) the carrying cost for bb-1 is $5 per set per year. to meet demand, mr. beautiful orders large quantities of bb-1 seven times a year. the stockout cost for bb-1 is estimated to be $50 per set. over the past several years, mr. beautiful has observed the following demand during the lead time for bb-1: demand during lead time probability40 0.150 0.260 0.270 0.280 0.290 0.1total 1.0the reorder point for bb-1 is 60 sets. what level of safety stock should be maintained for bb-1?