The firm's weighted average cost of capital if the tax rate is 21 percent is: D. 11.16%
Common stock:
Common stock = 25,500 × $66
Common stock = $1,683,000
Preferred stock:
Preferred stock = 6,650 × $88.50
Preferred stock = $588,525
Debt:
Debt = 104.5% × $365,000
Debt = $381,425
Total market value = $1,683,000 + $588,525 + $381,425
Total market value = $2,652,950
WACC = ($1,683,000 /$2,652,950)(.1365) + ($588,525 /$2,652,950 )(6.5/88.50) + ( $381,425/$2,652,950 )(.0769)(1 -.21)
WACC = ($1,683,000 /$2,652,950)(.1365) + ($588,525 /$2,652,950 )(0.07344633) + ( $381,425/$2,652,950 )(.0769)(.79)
WACC =0.0865939803+0.0162931836 +0.0087344
WACC= 0.1116 ×100
WACC=11.16%
Therefore the correct option is D.
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