How was the retained earnings beginning balance calculated?

Amount(s) Amount($) $574,750 $2,610 $10,000 $562,140 $336,160 $225,980 Particulars Sales Less: Sales discount Sales discount Net Sales Cost of Goods sold Gross Margin Operating Expense Rent expense Supplies expense Interest expense Insurance expense Bad debt expense Depreciation expense Total Operating Expense Other Revenue & expenses Rent Income Net income Before tax Income Tax Expense Net Income $500 $1150 $12,200 $3,075 $899 $77,382 $95,206 S2000 $132,774 S46,121 $86,653 Step 2 of 4, Statement of Retained Earnings Retained Earning, begining balance 595,937 Add:Net income 586,653 Retained Earning, ending balance $182,590