In the 5-way DuPont deconstruction, which of the following would lead to an INCREASE in Return on Equity (ROE), all else kept equal? (Be mindful that some ratios have a counterintuitive effect on ROE or may be just one part of a DuPont ratio.) a decrease in the asset turnover ratio a decrease in the tax burden ratio used in DuPont analysis a decrease in the firm's overall cost of debt reducing the debt/equity ratio by retiring debt a decrease in the firm's gross margin