Using the figures below, please calculate the following for the company:

1) Gross margin (percentage)

2) EBITDA

3) Return on equity

4) Total net cash flow

5) Ending inventory

6) Ending accounts receivable

Accounts receivable (starting)	$400
Advertising	$500
Cost of good sold	$4,700
Depreciation expense	$220
Insurance	$50
Interest	$210
Inventory (starting)	$1,300
Labor expense	$600
Loan principal payments	$300
Management compensation	$400
Miscellaneous expense	$300
Owner's equity	$1,800
Purchases of inventory	$4,600
Receipts on accounts receivable	$5,800
Rent	$400
Sales (cash)	$2,000
Sales (credit)	$6,000
Utilities	$120