Real Estate MathIntermediateColorado Exam

A Colorado building has 12 apartment units, each renting for $1,100/month. Operating expenses are $52,000/year and the vacancy rate is 5%. What is the annual NOI?

A$98,480Correct
B$79,600
C$83,600
D$88,000, in general

Why $98,480 Is Correct

Answer A: $98,480

Potential gross income = 12 × $1,100 × 12 = $158,400. Vacancy loss = $158,400 × 5% = $7,920.

Exam Tip: Real Estate Math

Math questions are formula-based. Memorize the key formulas: commission splits, proration, cap rate (NOI ÷ Value), GRM (Price ÷ Gross Rent), and LTV (Loan ÷ Value). Practice converting between annual and monthly figures.

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