You have 5,100 shares of abc, inc and decide to set up a $40 / $90 collar with 100% downside protection by selling $90 call contracts (assume no residual cash surplus or deficit from the sale and you have given up all upside potential). alternatively, you can set up at $40 / $70 collar with 100% downside protection by selling 22 $70 call contracts (assume no residual cash surplus or deficit from the sale). what price does the stock need to be trading at or above at expiration of the collar to make the $40 / $70 the more profitable strategy?

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?

To be honest, here's what i think. i think the answer is (and i'm not exactly sure), that it is, both personal and household income.