Hi . Help me solve the questions below, urgent. Thanks.

29. There is a concept of probability that can be used as a decision to determine risk and return. Among them are, i. probability does not exist in negative form ii. the total number of probabilities equals 1% or 100% iii. the value of O indicates that the probability of a certain event that is not may happen iv. A value of 0.1 indicates that the probability of a certain event is 10% occurring V. a value of 1 indicates the probability of a certain event that is certain to occur B. i, iii and iv C. ii, iii and v D. ii, iii, iv and v E. All of the above 30. Stock Z. has a 50% chance of earning a 10% return, a 20% chance of earning a 5% return, and a 30% chance of earning a 25% return. What is the expected rate of return from the Z Stock investment? A. 13.5 B. 14.5 C. 15.5 D. 15.0 Komag Company is considering a new project. This project involves an investment of RM1,200,000.00 and will generate a lot of RM600,000.00 cash flow every year for 3 years. The IRR for this project is A. 18.6% B. 23.4% C. 14.5% D. 20.2% 15%