10. a trader enters into a short position of 20 futures contracts at an initial futures price of $85.00. initial margin, per contract, is $7.50. maintenance margin, per contract, is $7.00. each contract is for one unit of the underlying asset. over the next three days, the contract settles at $86.00, $84.25, and $85.50, respectively. assuming the trader does not withdraw any funds from his margin account during the period, but does post variation margin sufficient to meet any margin calls, the balance in the margin account will be: $140.00 at initiation and $150.00 at settlement on day 3. b. $150.00 at initiation and $150.00 at settlement on day 3. c. $150.00 at initiation and $160.00 at settlement on day 3 a.

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.