Temoc is a high tech company that has recently gone public, and trades using the symbol TEMO. Comet is a rival high tech company that has also recently gone public, and trades using the symbol COME. Currently, the price of one share of each company is $10. Based on extensive market research and financial analysis, you have forecast that the price of one share of TEMO one year from now can be modeled as a normal distribution, with mean $12 and standard deviation $3. To put this formally, let TEMO (1) represents the price of one share of TEMO one year from now. Then, TEMO (1) ∼N(12,3). Similarly, you have forecast that COME(1)∼N(12,4). Also, assume that the two stocks are independent of each other. Use this information for Questions 17 to 21 below. 19. [1 pt] Investor A's portfolio consists of 400 shares of TEMO and $3000 invested in a fixed deposit. The fixed deposit is guaranteed to yield 15% interest one year from now: so, every dollar invested now becomes $1.15 one year from now. What is the probability that Investor A's portfolio is worth at least $8,000 one year from now? (a) 0.418 (b) 0.463 (c) 0.537 (d) 0.583 20. [1 pt] Investor B's portfolio consists of 300 shares of TEMO and 400 shares of COME. What is the probability that Investor B's portfolio is worth more than $8,000 one year from now? (a) 0.414 (b) 0.436 (c) 0.564 (d) 0.586 21. [1 pt] What is the probability that the worth of investor B's portfolio is at least as large as the worth of investor A's portfolio one year from now? (a) 0.473 (b) 0.537 (c) 0.543 (d)