A signals of 5khz frequency is amplitude modulated on a carrier wave of frequency 2 MHz. The frequencies of the resultant signal is / are :

Question

$\begin{array}{1 1} 2005\;kHz, and1995\;kHz \\ 2005\;kHz,2000\;kHz\;and\;1995\;kHz \\ 2000\;kHz\;and\;1995\;kHz \\ 2\;MHz\;only \end{array}$