The Zener diode used in this circuit has a Vz = 6.7 Volts and it is used for biasing the npn transistor which has ẞ=100. Ri>100k Vcc=+20 V IB Ic Rc 10k + VCE IE 6.7 V RE 10k Determine the Q-point (Ico and VCEQ) of the transistor