Sales : 36000.00

Merch Inv (beginning): 7500.00

Merch Purch: ?

Merch Inv (ending): (9000)

Cst of Good Sld: ?

Gross 3750.00Profit:
Expenses: 12150.00

Net Income (loss) (8400)

Please make your own attempt, but here is a guide to help you:
1)
Sales – COGS = GP
COGS = Sales – GP

2)
Inv Beginning + Purchases – Inv Ending = COGS