Finance function and the cost of equity capital

For a firm that you are familiar with, graphically present the finance function and the impacts that it has on the organisation and its stakeholders. Briefly comment on any three factors, dimensions or aspects of the figure you have presented. [Maximum 100 words] Empirically estimate the cost of equity capital of a firm that you are familiar with. Provide an audit trail of the method, data and choices made in estimating the cost of equity.