What is the book value of Retained Earnings as of year-end 2010, noting that some of the items below might not be needed?

Accounts Receivable as of 2010 year-end	190
Current Liabilities as of 2010 year-end	580
Depreciation for 2010	120
Dividends to shareholders for 2010	60
Net Income for 2009	250
Net Income for 2010	340
Retained Earnings as of 2009 year-end	2300
Sales for 2010	7500
Total Assets as of 2009 year-end	5300
Total Assets as of 2010 year-end	5700