Can you please provide step by step explaination

The following is a payoff matrix showing profit in millions of dollars when two companies simultaneously decide on various advertising budgets ($1 million, $2 million, or $3 million):

Pizza Hut $1 mill $2 mill $3 mill $1 mill $70 / $125 65 / 130 55 / 120 Papa Johns $2 mill 85 / 120 70 / 110 65 / 105 $3 mill 80 / 100 75 / 95 60 / 90