4.35 For the circuit in Fig. P4.35 let VCC = 10 V, RC = 1 kΩ, and RB = 10 kΩ. The BJT has β = 50. Find the value of VBB that results in the transistor operating (a) in the active mode with VC = 2 V; (b) at the edge of saturation; (c) deep in saturation with βforced = 10. Assume VBE≃0.7 V. Figure P4.35