Helen bought a four-unit apartment building for $561,000. The property lost value at a rate of 4.1% per year. Helen rented out each unit for $530 per month, and paid $11,200 per year in upkeep costs. After eight years, she sold the building. To the nearest hundred dollars, what was Helen’s total profit or loss, assuming that she rented out each of her units continually?

After eight years, the building’s value is about $561,000 × 0.959⁸ = $401,300. Rent from all four units totals 4 × $530 × 12 × 8 = $203,520, while upkeep totals $11,200 × 8 = $89,600. Helen’s overall result is $401,300 + $203,520 − $89,600 − $561,000 = −$45,780, which rounds to a $45,700 loss. This matches choice b, “$45,700 loss.”

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