Geothermals WACC is 10.8%. Executive Fruits WACC is 11.7%. Now Executive Fruit is cGeothermals WACC is 10.8%. Executive Fruits WACC is 11.7%. Now Executive Fruit is considering an investment in geothermal power production. Should it discount project cash flows at 11.7%? What would be a better discount rate for this investment? Note: Enter your answer as a percent rounded to 1 decimal place.onsidering an investment in geothermal power production. Should it discount project cash flows at 11.7%? What would be a better discount rate for this investment? Note: Enter your answer as a percent rounded to 1 decimal place