calulate the net income for the company

Nov. 20

	Sold two items of merchandise to Cheryl Jahn, who paid the $440 sales price in cash. The goods cost Bears $330.
25	Sold 20 items of merchandise to Vasko Athletics at a selling price of $4,300 (total); terms 3/10, n/30. The goods cost Bears $2,650.
28	Sold 10 identical items of merchandise to Nancys Gym at a selling price of $6,300 (total); terms 3/10, n/30. The goods cost Bears $4,150.
29	Nancys Gym returned one of the items purchased on the 28th. The item was in perfect condition and credit was given to the customer.
Dec. 6	Nancys Gym paid the account balance in full.
30	Vasko Athletics paid in full for the invoice of November 25.