how to do question b and c ?

(b) An incomplete testbench for the module created in Q2(a) above is shown in Figure Q2(b) below. Rewrite the complete testbench in your answer script. module 11 Declare variables rog wire 11 Instantiate the module 11 Setup the monitor initial begin monitor end 11 Stimulate the inputs initial begin A- 1'bo; B- 1'bo; C= 1'bo; #10 A= 1'bi; B= 1'bo, C= 1'bo; #20 A= 1'bi; B= 1'bi; C= 1'bo; #20 A, l'bi; B= i'bi; C- i'bi; end encraocule Figure Q2(b): Incomplete testbench for module created in Q2(a) (c) Based on the stimulus inputs shown in Figure (b) above, compose a complete waveforms for all inputs, internal nets and outputs (A, B, C, WI, W2, W3, OUT1 and OUT2). Label your diagram clearly