Real Estate MathIntermediateDelaware Exam

A Delaware property has potential gross income of $120,000 per year. With a 6% vacancy rate and a 40% operating expense ratio, what is the NOI?

A$67,680Correct
B$72,000
C$64,800
D$75,000

Why $67,680 Is Correct

Answer A: $67,680

EGI = $120,000 × (1 − 0.06) = $120,000 × 0.

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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