Please include what happens to priced gain and losses.

Figure 1 in the form of a matrix whose rows refer to the three possible price policies which a given oligopolist might pursue, and whose columns refer to the three possible ways in which his rivals might change their price policies. The signs 1, -, 4, stand for the raising, leaving unchanged, and lowering of price, respectively. Explain the following situations confronting the rivals of the of the price maker 31. If neither the oligopolist nor his rivals changed their prices