cpu mining any coin currently is 1 waste of time 2 waste of energy. Ull be lucky to pull 0.001 or even less of an Litecoin using cpu to mine with. If you using multi cpu ie x4 x6 x8 or i7 etc then still it will be very low amounts you generate.
If you want to see your profitability look up your mining speed on here
http://dustcoin.com/mining This will give you an indication on how much coin and $ you are making