Two stockbrokers are having a discussion. One claims that Netmark will introduce a new product if and only if both Datapro cuts its workforce and Compucel expands production. The other claims that Datapro will cut its workforce, and Compucel will expand production if and only if Netmark introduces a new product. Is it possible that both stockbrokers are right? If so, what have they told us about these companies? (N, D, C)

Use truth tables to obtain the answers to the following exercises. The letters to be used in constructing the truth tables are given in parentheses.