Answer :
It is difficult to establish discount rate for individual projects, so firms often adopt an approach that involves making subjective adjustments to the overall WACC.
What is WACC?
The weighted average cost of capital (WACC), which includes ordinary stock, preferred stock, bonds, and other types of debt, is the average after-tax cost of capital for a company. The WACC is the typical interest rate that a business anticipates paying to finance its assets.
Because WACC reflects the return that both bondholders and shareholders require in order to provide the firm with capital in a single value, it is frequently used to calculate necessary rate of return (RRR). Because investors will want larger returns, a company's WACC is likely to be higher if its stock is very volatile or if its debt is seen as hazardous.
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