Which of the Following Statements Is False

Which of the following statements is false?

A) Rather than set debt according to a target debt-equity ratio or interest coverage level, a firm may adjust its debt according to a fixed schedule that is known in advance.
B) When we relax the assumption of a constant debt-equity ratio, the equity cost of capital and WACC for a project will change over time as the debt-equity ratio changes.
C) When we relax the assumption of a constant debt-equity ratio, the APV and FTE methods are difficult to implement.
D) If a firm is using leverage to shield income from corporate taxes, then it will adjust its debt level so that its interest expenses grow with its earnings.