calculate the Real Estate NOI

Calculate the Real Estate NOI using the following information: Rents are $8800 per month Vacancy rate of 4.250% Utilities are $325 per month Management fees are 6.00% of gross rents Legal and accounting fees are $1,800 per year Insurance fees are $1,750 per year Janitorial, maintenance and supplies are $500 per month Mortgage payment is $1,200 per month, principal and interest Property taxes are $250 per month Earnings before Taxes (EBT) Income Taxes are 21% of EBT