Two circles have an external tangent with length \( 36 \mathrm{~cm}...

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Two circles have an external tangent with length \( 36 \mathrm{~cm} \). The shortest distance between these circles is \( 14 \mathrm{~cm} \). If the radius of the longer circle is 4 times the radius of the smaller circle then the radius of the
\( \mathrm{P} \) larger circle in \( \mathrm{cms} \) is
(A) 12
(B) 20
(C) 24
(D) 32
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