hi I need detailed explanation of this:

Sales-$320,000Accumulated Depreciation-$15000

Gross Profit Margin-30%Return on Assets-12.5%

Inventory Turnover Ratio-8Acounts Payable Days-18

Net Profit Margin-4%Notes Payable-$1800

Average Collection Period-45Gross Fixed Assets-$48000

Return on Equity-25%Percent of Sales on Credit(remainder are cash sales)-75%

Cash=Notes Payable=

AR=Accounts Payable=

Inventory=Long-term Debt=

Gross Fixed Assets=Equity=

Net Fixed Assets=TOTAL LIABILITY AND EQUITY=