Compute the LC product of a tuned amplifier circuit which requires a carrier wave of $1\;MHz$ for amplitude modulation

Question

$\begin{array}{1 1} 2.5 \times 10^{14} s \\ 2.5 \times 10^{-14} s \\25 \times 10^{14} s \\25 \times 10^{-14} s \end{array}$