7 . When calculating weights for the WACC , it has become relatively common to use Net Debt. How is Net Debt calculated ? A ) Net Debt = Total amount of debt - Cash & Risk - Free Securities B ) Net Debt = Total amount of debt + Cash & Risk - Free Securities ( ) Net Debt = Long-term Debt - Short- term Debt D ) Net Debt = Short-term Debt - Long-term Debt [ ) Net Debt = Long-term Debt - Short- term Debt + Cash & Risk - Free Securities