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Series 79: Collection, Analysis & Evaluation of Data
Series 79 practice questionmediumAdvanced Financial Analysis

A firm has a capital structure consisting of 70% equity (cost 9%), 30% debt (after-tax cost 4%), and no preferred stock. What is its weighted average cost of capital (WACC)?

  1. A5.1%
  2. B7.5%✓ Correct answer
  3. C8.1%
  4. D9.0%
Explanation

Why B7.5%

WACC = (70% x 9%) + (30% x 4%) = 6.3% + 1.2% = 7.5%. Not weighting each component correctly is a common trap that skews capital budgeting and valuation results.

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