please help with excel step-by-step (detailed) much appreciated **IMPORTANT** PLEASE MAKE SURE TO USE EXCEL WITH FORMULAS

GERN Corp is financed 60% with equity and 40% with debt. Currently, its debt has a before-tax yield to maturity of 5%. GERN'S common stock has a beta of 1.75 and the market risk premium is 8% while the risk-free rate is 1%. If the tax rate is 40%, what is Geronimo's weighted average cost of capital (WACC)?

• A. 7.40%
• B. 11.47%
• C. 9.00%
• D. 10.20%
• E. 7.83%

PLEASE HELP WITH EXCEL STEP-BY-STEP (IN FULL detail) much appreciated **IMPORTANT** I WANT TO LEARN