please answer these 3 questions

The "better (more descriptive) equation" for net working capital is: Select one: O a. current assets x current liabilities O b. current assets + non-current assets = current liabilities + non-current liabilities + net worth . current assets - non-current liabilities O d. current liabilities - current assets O. non-current liabilities - non-current assets + net worth Which of the following is cash management technique related only to current debt? Select one: O a. lock boxes O b. tightening your credit terms . "stretching" your payments O d. cash budgets O e. cash flow synchronization You purchase on terms of 2/10 net 30 and have been paying on the 30th day. You discover the 60th day. By doing so you lower your cost of payables by: Select one: O a. 22.04 percentage points O b. 36.73 percent . 14.69 percentage points O d. 60.00 percentage points O e. 22.04 percent