A signal of $5kHz$ frequency is amplitude modulated on a carrier wave of frequency $2\;MHz$. The frequency of the resultant signal is/are :

Question

$\begin{array}{1 1} 2\;MHz\;only \\ 2005\;kHz,and \;1995\;kHz \\ 2005\;kHz,2000\;kHz\;and 1995\;kHz \\ 2000\;kHz\;and\;1995\;kHz \end{array}$