What is the pure play approach?a$)$ Using a WACC that allows subjective adjustments to the revenue for the project.b$)$ Using a WACC that offers room to play with the rates as needed.c$)$ Using a WACC that adjusts to market interest rates.d$)$ Using a WACC that involves making subjective adjustments based upon the project.e$)$ Using a WACC that is based on companies in similar lines of business