Use the information below to derive NOI, Expenses per GBA, Expenses per NRA, OER and NIR. GBA NRA INCOME PGI Less Vacancy & Collection Loss EGI EXPENSES Fixed Property Tax Insurance Total Fixed Variable Management Fee Utilities Janitorial Maintenance Total Variable Replacement Reserves Roof Equipment Total Reserve Allowance Total Expenses NOI Expenses per GBA Expenses per NRA Expense Ratio (OER) Expense Ratio (NIR) 25,000 20,000 Year I $300,000 $18,000 $282,000 $11,900 $4,000 $15,900 $14,100 $30,000 $18,000 $4,000 $66,100 $17,740 $15,705 $33,445 $115,445