part A is No

I need answer for B

Save & EX Check Geothermal's WACC is 10.4%. Executive Fruit's WACC is 11.3%. Now Executive Fruit is considering an investment in geothermal power production. a. Should it discount project cash flows at 11.3%? Yes O No b. What would be a better discount rate for this investment? (Enter your answer as a percent rounded to 1 decimal place.) Better discount rate