Need help with questions, topic Cash Budget,expected return on stock & portfolio questions 1 a and b .Question 2. Please see two (2) attachment

[Question ij A. An investment advisor is considering investing in a security that has the following distribution of possible return. Probability of Possible return occurrence -0.10 0.10 0,20 0,30 0.20 0.30 0.10 Calculate The expected return ofthe stock (3 marks) ll. The standard deviation of the stock (6 marks) 111. The coefficient of variation of stock (3 marks) B. Jonathan Thompson invests the following sums of money in common stocks having expected returns as follows: AMOUNT EXPECTED STOCK BETA NVESTED RETURN WOOPS $6,000.00 0.14 1.40 KBOOM $11,000.00 0.16 0.80 JUD $9,000.00 0.17 0.60 UPDWN $7,000.00 0.13 180 SPROUT $5,000.00 0.20 1.05 RINGG $13,000.00 0.15 0.90 EIEuo $9,000.00 0.18 0.35 I. The expected return of the portfolio (8 marks) ll. The risk of the portfolio. (4 marks) [Question 2) The following information on actual and projected costs and revenues for Chins Enterprise. Purchases 80 000 95 000 Jan. 2016 60 000 50 000 Feb. 2016 70 000 95 000 Mar. 2016 50 000 Apr 2016 40 000 70 000 20 000 May 2016