Invest-At-Best Ltd. (IAB) is a South African investment entity. IAB is constantly evaluating various market segments and industries to proactivity identify promising entities or entities of which the shares are undervalued, to invest in. Two investment opportunities have recently come to the attention of IAB as potential investments Nutritious Ltd and Zeev Ltd

Zeev Ltd: Zeev Ltd (Zeev) is an Indian clothes manufacturer that export to foreign countries. A large portion of Zeevs customer base that they export to consist of South African customers.IAB have also determined the potential returns that could be made by purchasing ordinary shares in Zeev, together with the likelihood of the potential share manifesting.1

1. what is the Portfolio's covariance? show all calculations

2. calculate weights in variance matrix. your answer should be structured as per below

Weights in variance matrix
	Nutritious Ltd	Zeev Ltd
Nutritious Ltd
Zeev Ltd

3. calculate Variance matrix. your answer should be structured as per below

Variance matrix
	Nutritious Ltd	Zeev Ltd
Nutritious Ltd
Zeev Ltd

Nutritious Ltd: Nutritious Ltd ("Nutritious") is a South African public company that grows and exports fruit to the international market. Among the foreign countries exported to, is India. IAB performed preliminary evaluations to determine the potential returns that could be made on an investment in Nutritious, as well as identified the likelihood of each of these potential returns. IAB wants to invest a total of R4 375000 in the two entities by investing R1 954000 into Zeev, and the remaining amount in Nutritious