Ver batum from the manual.
To determine the Center of Gravity, measure back on the fuselage 2-3/8" from the leading edge of the bottom wing. The C.G. range for this aircraft is 1-7/8" ro 2-7/8". It is recommended that you balance this model upside down. Add weight if necessary to achieve the proper balance.

This is straight from the manual.

Here are the throws

Gentle
aileron 10º
elevator 12º
rudder 15º

Aerobatic
Aileron 12º
levator 14º
rudder 23º