When the non-dividend paying stock price is $20, the strike price is $20, the risk-free rate is 6%, the volatility is 20% and the time to maturity is 3 months, which of the following is the price of a European call option on the stock?
(Note: N(*) represent cumulative normal density function.)
a. 20*N(0.1) - 19.7*N(0.2)
b. 19.7*N(0.2) - 20N*(0.1)
c. 19.7*N(0.1) - 20N*(0.2)
d. 20N*(0.2) - 19.7N*(0.1)

]4. seiler company has the following information: materials work-in-process finished goods beginning inventory 300 400 500 ending inventory 700 900 1500 material purchase 7,700 cost of goods sold 15,600 direct labor 5,500 what was the manufacturing overhead for the period? a. $3,400. b. $4,300. c. $3,000. d. $5,500.

At a student café, there are equal numbers of two types of customers with the following values. the café owner cannot distinguish between the two types of students because many students without early classes arrive early anyway (i.e., she cannot price-discriminate). students with early classes students without early classes coffee 70 60 banana 51 101 the marginal cost of coffee is 10 and the marginal cost of a banana is 40. the café owner is considering three pricing strategies: 1. mixed bundling: price bundle of coffee and a banana for 161, or just a coffee for 70. 2. price separately: offer coffee at 60, price a banana at 101. 3. bundle only: coffee and a banana for 121. do not offer goods separately. assume that if the price of an item or bundle is no more than exactly equal to a student's willingness to pay, then the student will purchase the item or bundle. for simplicity, assume there is just one student with an early class, and one student without an early class. price strategy revenue from pricing strategy cost from pricing strategy profit from pricing strategy 1. mixed bundling $ $ $ 2. price separately $ $ $ 3. bundle only $ $ $ pricing strategy yields the highest profit for the café owner.

(select all that apply) examples of email use that could be considered unethical include denying receiving an e-mail requesting that you work late forwarding a chain letter asking for donations to a good cause sending a quick message to your friend about last weekend sending your boss the monthly sales figures in an attachment setting up a meeting with your co-worker sharing a funny joke with other employees