Need help answering question for logic design.

8. The inpu t waveforms in Figure 6-72 are applied to a 2-bit adder. Determine the waveforms for the sum and the output carry in relation to the inputs by constructing a timing diagram. Ai B2 in FIGURE 6-72 8. The inpu t waveforms in Figure 6-72 are applied to a 2-bit adder. Determine the waveforms for the sum and the output carry in relation to the inputs by constructing a timing diagram. Ai B2 in FIGURE 6-72