Weighted average cost of capital (WACC) is the average after-tax cost of a companyâs various capital sources, including common stock, preferred stock, bonds and any other long-term debt.A company has two primary sources of financing-debt and equity-and, in simple terms, WACC is the average cost of raising that money.hen calculating a firm's WACC, the first step is to determine what proportion of a firm is financed by equity and what proportion is financed by debt by entering the appropriate values into the and components of the equation.
Myosin II filaments are found throughout the cells of the fibroblastic type where they perform contractile functions unrelated to cell locomotion, but in cell types where the primary function of myosins is in cell locomotion, myosin filaments are located at the rear of the cell.
Both the cell membrane and the cell wall serve this function. All cells have a cell membrane, and certain cells (plant and bacterial) also have a cell wall. The cell membrane's main function is to regulate the movement of materials into and out of the cell. During plasmolysis, the cell membrane pulls away from the cell wall. 2  This does not happen in low salt concentration because of the rigid cell wall. 3  Plant cells maintain their normal size and shape in a low salt concentration solution.