Residential Only All Buildings Buildings 11-19 20+ 11-19 20+ Units Units Units Units Number of Buildings in I&E Sample 3,240 10,152 1,816 7,438 Average Gross Income $585 $603 $520 $534 Average Rent Collected $462 $551 $483 $525 Average O&M Costs $413 $408 $319 $383 Net Operating Income $172 $195 $201 $151 O&M-to-Rent Ratio 89% 74% 66% 73% O&M-to-Income Ratio 71% 68% 61% 72% Real Estate Taxes/Gross Income 18% 16% 16% 15% Note: O&M Costs are not adjusted by the audit figures. Source: Department of Finance, 1994 RPIE Filings.