The following information was taken from the accounts of Colleen's Cookies, a bakery, at December 31, Year 5.

Accounts Payable	$1,800
Accounts Receivable	1,200
Advertising Expense	600
Cash	1,400
Common Stock	600
Cost of Goods Sold	1,000
Gain on Sale of Land	500
Interest Expense	100
Merchandise Inventory	1,300
Loss on Sale of Equip.	250
Retained Earnings	1,500
Sales Revenue	3,000
Salaries Expense	300
Rent Expense	200

a) What is the value of the Gross Margin on the Year 5 Income Statement?

b) What is the value of the Operating Income (Loss) on the Year 5 Income Statement?

c) What is the value of the Net Income (Loss) on the Year 5 Income Statement?