Last years sales $200000
Sales growth rate 40%
Last years total assets $135000
Last years profit margin 20%
Last years accounts payable $50000
Last years notes payable $15000
Last years accruals $20000
Last years payout ratio 25%

How do you find the net profit margin. I do not want you to give me the answer necessarily, I just need to know HOW to get the right numbers to find the net profit margin. See I have to find the AFN and I need to find the NPM before I get the AFN. Thanks
AFN is "Additional Funds Needed"