sales revenue formula
sales x price
gross profit formula
revenue - cost of sales
operating profit
gross profit - expenses (admin, salaries, rent)
net profit
operating profit - tax
gross profit margin
gross profit/sales revenue x 100
operating profit margin
operating profit/revenue x 100
net profit margin
net profit/revenue x 100
net cash flow
cash inflows-cash outflows
opening balance
=closing balance from last month
closing balance
opening balance + net cash flow