You work as a financial analyst for Tesla. You calculate the following assumptions for Tesla:

• Weight of equity = 55%
• Weight of debt = 45%
• Tax rate = 18%
• Coupon rate = 4.5%
• Yield to maturity = 5.5%
• Beta = 1.2
• Expected market return = 8.3%
• Risk-free rate = 1.8%

Given these assumptions, what is Tesla's before-tax cost of debt [ Select ] ["1.8%", "45.0%", "4.5%", "5.5%"] and cost of equity [ Select ] ["1.8%", "8.3%", "55.0%", "9.6%"] ?