I cant seem to figure out what the retained earnings is for July 1, 2018. I took the dividends + service revenue - rent expense- utilities expense but it said my answer was wrong.

Net Income Prepare the statement of retained eamings Emmer any increases in retained earnings prior to the suttotal and any decreases to retained eamings below the subtota Bnview jbe ending balances.of.te.accounts from Requirement 1. (Complete all answer bowes Enter a for any beginning or ending zero balances,) Reflerence Campus Apartment Locators Statement of Retained Earmings Month Ended July 31, 2018 LIAB EQUITY Retained Eamings, July 1, 201 noome for the month Contributed Capital + Retained Earnings Cash OfficeLandAcoounts Common Dividends Service Rant 1.200 Supplies Revenue Experse Expense 50 30 000 Retained Eamings Jdy 31,2018 at 6,00 Choose from any st or erner arty number n rend noids and then