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a) You are provided with the following information relating to V ltd

Equity and liabilities

12% debentures (shs1000 at par) 16,000

10% preferences shares 6,250

Ordinary shares (Shs 10 par) 12,500

Retained earnings 28,125

Additional information

i. The debentures are currently selling at Shs 950 in the market

ii. Company paid a dividend of Shs 5.00 per ordinary share and they are expected to grow at a rate of 10% per annum.

iv. The corporation tax is 40%

Required

Effective Cost of debt (3 marks)

Cost of equity (3 marks)

Weighted Average cost of capital (4 marks)


1.2 Distinguish between colonialism and apartheid, looking at how they have both


impacted on or influenced ECE

3.1 Read the article “The Building Blocks of High-Quality Early Childhood



Program”. (Access it from HED2601 E-Reserves or as attached under



Announcements.)



Briefly discuss the effects of the school where key elements of quality



ECE practice are not recognised. Consider the following key elements in your



response:



• Support for diverse learners



• Time



• Collaborative effort



• Teacher student ratio



• Teacher qualification and education

Provide reasons why you think a child-centred approach is desirable or not



desirable for the South African Foundation Phase classroom in 2022.

A manufacturer knows that on average 20% of the electric toasters produced require repairs within 1 year after they are sold. When 20 toasters are randomly selected, find appropriate numbers x and y such that



a) the probability that at least x of them will require repairs is less than 0.5;



(b) the probability that at least y of them will not require repairs is greater than 0.8.

Philip, who teaches 6-year-olds, believes that educational television programs promote reading ability in young children. He announces his idea to his students and their parents. Some parents respond enthusiastically when he asks for volunteers to participate in a three-month experiment to test his hypothesis. Ten volunteers are assigned to the experimental group and instructed to have their children watch a one-hour educational program each day after school. The parents of 10 other students, who are picked at random from the remaining members of the class, receive the same instructions, except that the program they watch is a one-hour non-educational cartoon. After the three-month period, Philip administers a standardized reading test to both groups. He is delighted to find that the average test score of the students in the experimental group is substantially higher than that of the students in the comparison group.



























2. What is Philip’s hypothesis?



























1.Show that each of these conditional statements is a tautology by using truth tables.

a) (p∧q)→ p

b) p → (p∨q)

c) ¬p → (p → q)

d) (p∧q)→ (p → q)

e) ¬(p → q)→ p

f) ¬(p → q)→¬q


2.Refer to 1, Show that each of these conditional statements is a tautology by using Propositional Logic


Write in detail about the actions of angiotensin II in the body


QUESTION THREE



A poultry farmer in Lufyanyama has obtained a loan from the Bank to boost his poultry



business. He provides you with data to help him optimize the sales. The data is that Old



hens can be bought for K2 each but young one cost K5 each. The old hens lay 3 eggs



per week and young ones 5 eggs per week, each egg being worth 30ngwee. A hen cost



K1 per week to feed. If a person has only K80 to spend on hens, how many of each kind



should he buy to get a profit of more than K6 per week assuming that he can’t house



more than 20 hens?



a)Formulate the problem as a linear programming model [8 Marks]



b)Using the graphical method procedure, how many hens should he buy of each kind to



maximize the profit per week? [10 Marks]



c) Determine the ranges of optimality for the objective function coefficients

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